Web of Passion (also released as Leda, original French title: À double tour) is a 1959 French/Italian psychological thriller film directed by Claude Chabrol and based on the novel The Key to Nicholas Street by American writer Stanley Ellin. It was Chabrol's first film in colour and his first thriller, which would be his genre of choice for the rest of his career. The film had a total of 1,445,587 admissions in France.