Since a road accident left him with serious facial and bodily scarring, a former 'TV scientist' has become obsessed by the marriage of motor car technology with what he sees as the 'raw sexuality' of car-crash victims. The scientist, along with a crash victim he has recently befriended, sets about performing a series of sexual acts in a variety of motor vehicles, either with other crash victims or with prostitutes who they contort into the shape of trapped-corpses. Ultimately, the scientist craves a suicidal union of blood, semen and engine coolant, a union with which he becomes dangerously obsessed...