Grace Harlowe with the American Army on the Rhine

In Short

This novel follows Grace Harlowe, a seasoned volunteer and veteran of the front lines, as she accompanies the American Army of Occupation into Germany following the armistice. Amidst the tension of the peace, Grace uncovers a nest of German spies embedded within the local population and among her own associates. By blending keen intuition with daring investigative work, she exposes a plot against American soldiers. It is a quintessential piece of post-World War I juvenile fiction that celebrates the pluck, patriotism, and capable independence of the "New Woman" of the era.

The Story

The narrative begins with Grace Harlowe and her loyal friend, J. Elfreda Briggs, marching toward the Rhine with the American Army. Having served in various capacities throughout the war, Grace finds the postwar transition unsettlingly quiet. Her arrival in occupied Germany is marked by an immediate conflict with a pompous supervisor, Mrs. Chadsey Smythe, who attempts to have Grace dismissed for perceived insubordination. Grace, however, holds her ground, aided by the high regard of General Gordon, who recognizes her past heroism.

As the army settles into Coblenz, the atmosphere grows fraught with hidden malice. Grace senses that the local population—specifically at the house where she and Elfreda are billeted—is not as humbled as they appear. Her suspicions are centered on a local doctor, who poses as a repentant civilian, and the supervisor’s maid, Marie Debussy. Grace’s investigative efforts are nearly cut short when she is caught observing enemy activity; she is assaulted and stoned by a mob, yet she manages to escape and return to American lines, bruised but undeterred.

Back in the occupied zone, Grace begins to observe the household through a hole in the floor, confirming that the "doctor" is actually a high-ranking German intelligence officer, and that the maid is a notorious German agent. She learns of their plans to incite an uprising and sabotage American barracks. Realizing that the danger is escalating, Grace finally brings her findings to Captain Boucher of the Intelligence Department and General Gordon.

The climax of the story occurs as Grace systematically exposes the true identities of her hosts. The General reveals that he and the intelligence officers had suspected the doctor all along, but had specifically placed Grace in his household to see if she would uncover the truth on her own. With the spies identified and the plots thwarted, Grace’s reputation as an astute observer is solidified. She finds a sense of closure in her service, having successfully navigated the treacherous transition from the chaos of the battlefield to the covert dangers of the occupation. She remains a figure of quiet authority, respected by the military establishment and ready to return to her life with her husband, Tom Gray, and their daughter, Yvonne, with the satisfaction of having done her duty to the end.

How It Unfolds

The march to the Rhine Grace and Elfreda travel with the American forces toward Germany, finding the transition from active combat to occupation duty both strange and demanding. Their journey is immediately complicated by clashes with a hostile supervisor who resents Grace’s independent spirit and military decorations.

A clash of wills Grace is summoned by a severe captain under the influence of her detractors, but she firmly defends her reputation and her rights as a volunteer worker. Her standing with the commanding general ensures that she is not sent away, and the two friends continue their service in a local village.

The aerial observation Grace accepts an invitation to join a major on a military balloon flight, an experience that gives her a strategic view of the enemy moving across the Rhine. The day turns perilous when she is forced to parachute from the basket, leaving her vulnerable and exposed to the hostility of the local population.

The secret mission Suspecting that her hosts are working against the Allied forces, Grace conducts covert surveillance from within their own home. She successfully identifies the true identities of the German agents and gathers critical intelligence regarding planned acts of sabotage.

The final exposure Grace presents her findings to the Intelligence Department, proving that her presence in the house was a test of her investigative abilities. The spies are neutralized, and Grace receives recognition for her role in ensuring the safety of the American troops.

The People

Grace Harlowe, the protagonist, is defined by her calm, clear-headed logic in the face of crisis. She seeks only to serve her country and protect the soldiers she respects, refusing to be intimidated by authority figures or physical danger. Unlike her earlier, more naive self, she is now a seasoned veteran who balances empathy with a cold, necessary pragmatism.

J. Elfreda Briggs acts as Grace’s foil and steadfast companion. While she is a lawyer by training and possesses a sharp wit, she is often more prone to indignation than Grace. She provides the necessary support and grounding that allows Grace to function effectively in hostile environments.

General Gordon represents the ideal military leader within the story. He is a mentor to Grace, placing his trust in her instincts when others—blinded by bureaucracy or personal bias—fail to see her value. He understands that the war requires more than soldiers; it requires the kind of "intelligence" that only a civilian of Grace’s experience can provide.

Mrs. Chadsey Smythe serves as the primary antagonist of the domestic sphere. Driven by vanity and a need for control, she is easily manipulated by the enemy because she cannot see past her own petty grievances. She stands in contrast to Grace, lacking the moral clarity and dedication that define the true heroine.

In Its Own Voice

“What I have seen has chilled my very soul.”

Grace reflects on the treachery she encounters even after the armistice.

“The woman is an impertinent creature!”

The supervisor expresses her frustration with Grace’s refusal to be bullied by military bureaucracy.

“Those people need to have the arrogance beaten out of them.”

Grace voices the firm sentiment of the Allied victors toward the unrepentant German population.

What It's Really About

At its core, the book explores the difficulty of transition in the aftermath of a total war. It argues that the end of fighting does not equate to the end of conflict; rather, the battlefield merely shifts into the shadows of domestic spaces and intelligence work. The book grapples with the tension between the "Old World" of rigid military hierarchy and the new, flexible reality where a civilian woman can hold more tactical insight than a trained officer. It is a story about the requirement of constant vigilance, suggesting that true victory requires not just the force of arms, but the intellectual and moral integrity to recognize an enemy even when they are disguised as a friend.

Why Read It Today

This book will appeal to readers interested in the literary representation of the "New Woman" in the early 20th century—someone who is capable, brave, and distinctly modern in her approach to duty. It feels like a historical artifact, offering a window into how the Great War was processed by the American public in 1920. The reading experience is brisk and straightforward, with a focus on action and clear-cut morality that drives the plot forward with efficiency.

Modern readers should be aware that the book reflects the period's attitudes, including a stark "us-versus-them" mentality regarding the German people and a tendency to categorize characters through rigid social or national types. The prose is functional rather than flowery, designed to keep the reader moving through the next crisis alongside Grace. What stays with you is the character of Grace Harlowe herself; she is a resilient, unflappable figure who navigates the wreckage of war with a steady hand. While the length and the somewhat dated, serialized style may feel repetitive to some, it remains a compelling look at the cultural ideals of the era and the enduring appeal of a protagonist who refuses to be anything less than her own person.