Sole, Mari Pili and Marta are the twenty three young people hanging around who share a flat in Barcelona before the Olympics. Tired of sacrificing to find romance, wonder what need have expected the weekend to go to a nightclub and rolled with the first guy you meet. Then decide to take action and play a game: live an adventure with the first man who asks the name.

What Do You Bet, Mari Pili?

This film is based on the true story of the Catalan lawyer and engineer Narcís Monturiol i Estarriol (Figueres 1819 - Barcelona 1885) who invented the submarine.