The Night of the Following Day

Two men kidnap a girl off the streets, take her to a beach house owned by a drug-addicted stewardess, and hold her for ransom.
A gang of four professional criminals kidnaps a wealthy teenage girl from an airport in Paris in a meticulous plan to extort money from the girl's wealthy father. Holding her prisoner in an isolated beach house, the gang's scheme runs perfectly until their personal demons surface and lead to a series of betrayals.