Episode: 1x01 | Airdate: Apr 13, 2026 (46 min)
A Spanish diplomat is thrown from the Águas Livres Aqueduct on the same night that the head of a 19th-century serial killer is stolen. The Portuguese police investigate with the help of an inspector from Madrid.
Episode: 1x02 | Airdate: Apr 13, 2026 (45 min)
The killer is planning a new murder. The police follow clues that lead them to a suspect, but they get a surprise when they approach the house in question.
Episode: 1x03 | Airdate: Apr 13, 2026 (44 min)
The police hold a press conference debunking the legend of Diogo Alves. The psychopath, wounded in his pride, vows revenge, choosing a new victim.
Episode: 1x04 | Airdate: Apr 13, 2026 (48 min)
The police seem to be close to solving the case, but a series of events lead to a twist that turns solving the crime and capturing the killer into a personal matter.
