Does anyone really know their parents? Ruby Rochester is faced with this question as she stares blankly at the deeply branded numbers 132490 on her father's chest upon his passing. With no reason to believe he was ever involved in the Holocaust, she is blindsided with countless questions.

It is only when a letter turns up on her doorstep after he’s gone that Ruby finds herself on a mission to discover her family's secret. Normally a planner, she throws caution to the wind and pulls her resistant brother Grant and supportive daughter Anna along for the ride. With each person they meet in their journey around the world through Mackinac Island, New York and eventually Germany, they are lead through their parents' dark past and the greatest love story they will ever know. Ultimately, they find the truth they have been seeking delivers answers in their own lives, leaving heartbreak and renewed romance in their wake.