When Emma meets Cassandra, they initiate a relationship filled with physical and psychological challenges. Emma does whatever it takes to master the rules of the game. Lines are crossed and the stakes get higher and higher. Despite this, Emma can't resist the intoxicating feeling of total control.
A girl disappears on her way to school, and suspicion falls on her father who has been fighting for her custody. Wallander's investigation is helped when he visits a woman whom he had arrested when her own daughter disappeared.
