Stalkers and murderers haunt the Danish capital as detectives unravel crimes linked to chilling children's games. Based on the novels by Søren Sveistrup.

Maja, a Danish actress past her prime, falls in love with Leah, a young Jewish academic from London. Leah suffers a mysterious seizure, and Maja returns with her to London. There, she meets Leah’s mother, an overbearing woman who could hold dark secrets.