Duca, 15, discovers that the crimes he sees on his computer games can also take place in real life, when his uncle Eder is arrested for an ill explained murder. Duca decides to investigate the case himself, and is joined by his friends Kid and Isa. But Isa seems to be more interested in Kid. And Kid seems more interested in the first female who comes along. And Duca, of course, is actually only interested in Isa.