Emilio, Benito Alberto and Gino are four childhood friends who today belong to the same police group "Z Brigade". Your first mission is to address the assault to a bank, but the lack of vitality that characterizes them they help the assailants flee the scene! The sergeant in charge decides to send them back to the Police Academy. The instructor will Moria Casan, who will train them to face and try to capture "Scar", the most feared and elusive offender.
Mingo and Aníbal are two friends who work at a car dealership and are accused of a murder they did not commit. The incident occurred in a remote house, where both friends go to try to hide and solve the crime. There they will try to elude a ghost that wanders in the place while trying to regain their innocence.