When clues to his brother’s murder lead Poncho to a fire brigade, he joins it to investigate further and finds romance, family… and a serial killer.

Hell-bent on exacting revenge and proving he was framed for his sister’s murder, Álex sets out to unearth much more than the crime’s real culprit.

Santa Diabla is the story of Santa Martínez, a woman who seeks revenge for the murder of her husband Willy Delgado.