Gracie Thompson has a job, a loving family, a twin brother who drives her insane and a great friend. A chance meeting introduces her to the love of her life. But the storm clouds are gathering, Europe is teetering on the verge of war and threatening to destroy everything Gracie holds dear. When war arrives her family are split up, her younger siblings evacuated, her brothers join up to serve, her boyfriend, Charlie, is in daily danger and her life is threatened.

When Sophie Weiss boards the SS St Louis, she has no reason to stay in Germany. The Nazis have taken everything from her, and her only hope is escape. But when she meets fellow Jewish refugees Rosa, Hannah and Rachel on board, the friendship they form gives Sophie hope that there can be happiness in her future, after all.

Bridget Collins is in dire straits - she needs to get out of New York, fast. With two young siblings under her wing, her options are limited. Her priest sends her as an outplacement agent on the orphan trains that run from New York to out west. With almost 40 orphans under her care, she's relieved that fellow and more experienced outplacement agent Carl Watson is there to guide her. But Carl is dealing with his own trauma and finds it difficult to handle the pain the orphans are dealing with.

Daniel Sullivan needs a wife; the bank insists they will only finance his business if he gets married. What's he to do when the woman he's interested in is promised to another?

Paris, 1940: As the German soldiers march down the Champs-Élysées, the Bélanger twins know there is no escape – their lives are about to change forever. But while Sophie, a third-year medical student, works long days and nights saving casualties of war at the American hospital, and waits anxiously for news of her fiancé from the front line, her recently widowed twin, Adèle, is determined to enjoy her freedom. Nothing – not the bombs, the curfews or the Nazi officers sidling up to her in nightclubs – can stop her from indulging in the temptations of Parisian society.

Grace Fitzgerald, a fiery-haired dreamer, longs to escape the confines of her windswept Dingle fishing village. Across the Atlantic, Richard Lewis, heir to a Savannah banking fortune, suffocates under the weight of societal expectations he can't quite understand. When their worlds collide through a twist of fate, Grace and Richard uncover a bond so profound it shakes the very foundations of their existence. As Europe inches towards chaos, they find themselves caught in a whirlwind of discovery, challenging everything they thought they knew about themselves and each other.

In 1944, American naval officer Lt. Wyatt Paxton arrives in London to prepare for the Allied invasion of France. He works closely with Dorothy Fairfax, a "Wren" in the Women's Royal Naval Service. Dorothy pieces together reconnaissance photographs with thousands of holiday snapshots of France - including those of her own family's summer home - in order to create accurate maps of Normandy. Maps that Wyatt will turn into naval bombardment plans. As the two spend concentrated time together in the pressure cooker of war, their deepening friendship threatens to turn to love.

The rumblings of war in distant countries mattered little to Danny McClain. Growing up in Chicago, his world revolved around afterschool jobs, a rescued beagle, his pen pal in Holland, and the Cubs' chance to go to the World Series. Then, in December of 1941, news of the attack on Pearl Harbor hit much too close to home. In a few years, Danny found himself in the copilot seat of a B-17, stationed with the 390th Bomb Group in Framlingham, England.

Meira Sokolow had the misfortune of being born to Jewish parents in Warsaw, Poland, in 1912. Before she took her first breath, her fate had been sealed. Residing in the Jewish Quarter of the city, Meira's early life was typical. She fell in love with a local boy, got married, and had a daughter. Then the German army marched into Warsaw and everything changed. Forced into the ghetto with her family, she found survival to be a daily struggle. Hunger, disease, and unimaginable cruelty were her stark realities.

Never pretty enough to please her gorgeous mother, Allie will do anything to gain her approval - even marry a man she doesn't love. Lt. Walter Novak - fearless in the cockpit but hopeless with women - takes his last furlough at home in California before being shipped overseas. Walt and Allie meet at a wedding and their love of music draws them together, prompting them to begin a correspondence that will change their lives. As letters fly between Walt's muddy bomber base in England and Allie's mansion in an orange grove, their friendship binds them together.

In a small town in upstate New York in 1928, four-year-old Evelyn Wilson goes missing. Instantly, old prejudices claw to the surface. As a frenzy of panic and bloodlust overwhelms all reason, the community turns on the Schatzman family. A terrible witch hunt follows. The Schatzmans' young son is accused of horrifying crimes. As their life in America falls apart, leaving nothing but anguish and devastation, some of the Schatzmans decide to return home to Berlin. But Germany in the 1930s is no safe harbor.

In July 1940, Gwen Collingwood drops her husband at the railway station, knowing she may never see him again. Two days later, her humdrum world is torn apart when her sleepy English seaside town is subjected to the first of many heavy bombing attacks. In Ontario, Canada, Jim Armstrong is uncertain whether to volunteer for the army. When he uncovers the secret his fiance has been keeping from him his decision is clear. A few weeks later he is on a ship bound for England.

When Naomi's daughter, Perle, starts to have nightmares about smokestacks and creepy doctors, Naomi is struck with terror—the terror of a mother who fears her daughter is in mortal danger. Naomi believes dreams are glimpses into the future. She, too, has had dreams of foreign soldiers with a strange flag invading her tiny village. She knows in her heart that evil is brewing.

It is 1941, and America teeters on the brink of war. Outgoing naval officer Ensign Jim Avery escorts British convoys across the North Atlantic in a brand-new destroyer, the USS Atwood. Back on shore, Boston Navy Yard secretary Mary Stirling does her work quietly and efficiently, happy to be out of the limelight.

Eli's Promise is a masterful work of historical fiction spanning three eras—Nazi-occupied Poland, the American Zone of post-war Germany, and Chicago at the height of the Vietnam War. Award-winning author Ronald H. Balson explores the human cost of war, the mixed blessings of survival, and the enduring strength of family bonds.