Carlos and Dani enter a university residence and accept the challenge of hazing in order to fit in and make friends. What starts as a fun game soon turns into a perverse spiral where they will have to face the worst of themselves.

Amaia investigates several suspicious infant deaths and horrific rituals. Meanwhile, people around her risk grave danger. Part 3 in the Baztan Trilogy.

A year after solving a series of murders, Amaia is faced with a related mystery that ends up hitting very close to home. Part 2 in the Baztan Trilogy.