Mary (Natasha Richardson) and Colin (Rupert Everett) first fell in love on a romantic holiday in Venice, Italy. Now, four years later, they have returned to rekindle their romance and determine where their relationship is headed. What they don't know is why an English-speaking Venetian (Christopher Walken) is following them, watching them and taking pictures. Soon they learn they are involved in a bizarre tale of sex, voyeurism, deception and passion. Helen Mirren plays Walken's wife in a movie that will take you into the dark world of charming yet dangerous strangers.