Based on the eponymously titled novel, this is the powerful real-life story of Lale Sokolov, a Jewish prisoner who was tasked with tattooing ID numbers on prisoners' arms in the Auschwitz-Birkenau concentration camp during World War Two.
Season five finds Nikki (Esther Smith) and Jason (Rafe Spall) dealing with the consequences of Princess (Scarlett Rayner) and Tyler’s (Cooper Turner) biological mother Kat (Charlotte Riley) turning up at their doorstep, and the whirlwind of chaos she brings into their settled family life.
