Los vigilantes del faro

Patrik has returned to work, while Erica focuses on caring for her premature twins, leaving little time for her visit to Annie Wester, a former classmate who has moved into an abandoned lighthouse on Gråskär island. As strange rumors about the island's haunted legend circulate, Annie's former boyfriend Matte Sverin is found murdered, with Annie being the last person to see him alive. The investigation leads Patrik, his colleague Paula, and Erica into a complex case filled with local legends and mysterious events.