After coming in contact with radioactive waste, small-time crook Enzo Ceccotti gains super-strength. A misanthropic, introverted brute, he uses his new powers for personal gain until he meets Alessia, a mentally ill girl who believes Enzo is the hero from her favorite anime Steel Jeeg. Lonely, misanthropic small-time crook Enzo uses the superpowers he gained after falling into the Tiber River to chase down a crazy gangster called The Gypsy.