[2] The film is based on the 1963 novel One Bright Summer Morning written by James Hadley Chase.

Monique lures men into her bedroom and shortly after her brother ends up storming in angrily claiming that she is underage.

They receive an offer from the bandit Frank Kramer to join in on a kidnapping operation in Spain.

Francis and Monique are promised a huge sum which means that they could retire from their petty con games.

They manage to kidnap her and confine her in with a retired painter along with his wife and son in Andalusia.