Michelangelo Antonioni directs and co-writes this award-winning Italian drama starring Gabriele Ferzetti, Monica Vitti and Lea Massari. When a couple, Sandro and Anna (Ferzetti and Massari), embark on a cruise with their friend Claudia (Vitti), all is well until Anna goes missing. As Sandro and Claudia try to look for her, they develop an attraction towards each other and quickly forget about their missing friend.