Emily and Sebastian travel to his hometown of Paris to land the Ad account of famed Durand Diamonds and end up in a tricky situation when the client mistakes them for a happy couple.

Based on a true story, during World War II, four Jewish brothers escape their Nazi-occupied homeland of West Belarus in Poland and join the Soviet partisans to combat the Nazis. The brothers begin the rescue of roughly 1,200 Jews still trapped in the ghettos of Poland.