While investigating a fatal car crash, Detective Inspector Vaughn's interest is piqued when forensic evidence points to murder, and he is shown the eerie antique doll found sitting on the passenger seat. The blood-spattered doll bears an extraordinary resemblance to the dead man, and on its lap is an envelope containing the message: 'One down. Five to go.' When a second doll is discovered beside another murder victim, the desperate race is then on to find and stop the killer from completing the set of six murders ...