A serial killer is on the rampage in the ski resort of Morzine-Avoriaz. Vivier, French police officer teams up with the Swiss policeman Meyer to investigate the suspicious deaths of teenagers. They must find the killer before the victim list grows.

An SUV races over the cliffs into the depths - the driver is killed instantly. The dead man was apparently involved in a robbery but there is no trace of the loot. French Officer Vivier and Swiss Captain Meyer once again team up to solve the mystery.