Paris, the 1980s. Three students decide to celebrate their graduation with a visit of the Paris catacombs. But something, someone, is hunting them. Trapped deep underground, the group needs to get out before it's too late...

Documents the chilling 70s-80s era of rampant serial killers in Los Angeles. Features first-hand accounts from the detectives, who tracked down these killers bringing justice for the victims and survivors.