Four girls unknowingly experience the happiest days of their lives during an uneventful best-friend trip to Belgrade.

Guido, an acclaimed author, leads an idyllic life with his beautiful wife and teenage daughter. But despite his seemingly perfect existence, Guido's restless search for inspiration leads him into the arms of Giulia, a charming and mysterious swim instructor, who is hiding a secret from her past.

Alix is a woman of 27 looking for the only thing she is incapable of: love.