During 2004 alone, 1400 people in Italy died at their workplace, 3.87 per day. Andrea is one of them.

In search of purpose, 17-year-old Claudio helps easygoing mechanic Stefano build a car capable of winning a street race that could solve his financial problems, but gets himself involved with the latter's former girlfriend.

Police chief Romeo becomes convinced that affluent professional Velasco is a serial killer known for mauling his victims with his teeth, but nobody believes him. The investigation slowly turns into a personal challenge between obsessive Romeo and stone-faced Velasco, an individual above suspicion — he murders people not because he has to, but simply because he can.

Blue-collar worker Diego lives in the Roman suburbs and is about to marry his lifelong fiancée. His feelings are put to the test on the eve of the wedding, when, while working on the renovation of a luxury home, he meets Viola, his boss's granddaughter, and becomes fascinated by a lifestyle light-years away from his.