Psychologist Júlia heads to the school of Sara and Luísa after a plea from her friend Leonor.

Júlia begins to collaborate with Inspector Pedro Sousa in the investigation and is confronted with the ghosts of her own past.

Leonor is devastated by what is happening to her daughter. Pedro Sousa is determined to do whatever it takes to find the killer.

A witness finally decides to speak, prompting Pedro Sousa to call one of the suspects in for questioning once again.

Tormented, Júlia becomes suspicious of someone close to her and shares her concerns with Pedro Sousa.

Nothing is as it seems, and a seemingly solved case hides more secrets to be unveiled when new evidence surfaces.