Pauline goes on trip and never returns. Did she deliberately vanish, or did she just abandon her life, or is this an invitation for someone to start searching for her? Simon, her fiancé, intends to find out... Several months after the disappearance, Simon learns of Pauline's death abroad. While cleaning out her apartment, Simon discovers that Lazare, Pauline's cat, still occupies his master's apartment. He possesses an extraordinary long-term memory... and a need for revenge!

Frac, a mime who is suffering from a severe bout of depression, happens to meet a troupe of circus entertainers and immediately falls in love with one of the stars, Giulietta. But while his affection for Giulietta and admiration for the performers gives him a new lease on life, Giulietta's father, the leader of the troupe, opposes the relationship and is determined to keep them apart. Meanwhile, Frac and Giulietta discover a gang of children who are held prisoner by a criminal leader who forces them to do his bidding, and they devise a plan to win the kids their freedom. .