In 1933 Nuremberg, successful Jewish businessman Leo Katzenberger owns an apartment building and runs a shoe store. A devoted family man, he has a good relationship with his loving wife Claire. As the climate in Germany grows increasingly dangerous, bombshell Irene moves to the neighborhood. After forming an unlikely friendship, his relationship with Irene is immediately regarded with suspicion.

Oliver is a banker and portfolio manager and leads a life in the fast lane, which one day comes to an abrupt end, as he builds a self-inflicted accident on highway with 230 km / h and raced through a guardrail. When he wakes up in the hospital again, he faces a devastating diagnosis: paraplegia. Actually, a rehabilitation stay of several months is planned in the hospital, but Oliver soon falls on his head and ends up in a disabled shared flat with the name "Die Goldfische"

Hoping to entrap Maria von Gall, who runs a courageous underground railroad for Jews in France, the Nazis kidnap her son Thomas, a brilliant 11-year-old chess master. An exchange arrangement goes awry and he sees her die in a hail of bullets; but he is rescued by his American father, whom he has never met before, and who plans to flee with him to Spain. However, Queen Maria had solemnly entrusted her little pawn Thomas with a precious secret and a terrifying mission, and it was time for him to move. A pawn may become an important piece by slowly, quietly advancing all the way through the enemy's ranks. Or a pawn may die trying. Retreat is what a pawn can never do.