Paris 2020. While superheroes have assimilated into the Parisian society, they discover a new drug that gives themselves personal superpowers to mere mortals. Lieutenants Moreau and Schaltzmann are investigating the case with the support of two ex-superheroes, Monte Carlo and Callista. They'll do whatever it takes to dismantle the traffic. But Moreau's past resurfaces, and the investigation becomes more complicated.

Vittorio stops to help Kate when her car breaks down on a mountain road. When they meet again, Vittorio discovers that Kate has rejoined a circus after a long time away. He begins to learn about the troupe's buried past and Kate's connection to it, while experiencing the magic of the circus.

Corporal Jack Borden, of the Northwest Mounted Police, trails the man who killed his partner to New York City. The killer is an unscrupulous promoter who is selling worthless stock in a gold mine. Borden, with the help of Blanche Hall, locates the man in a Bowery dive, but he escapes and Borden tracks him back to Canada. Along the way, he discovers that Blanche and his sweetheart, Milly, are long-separated sisters and brings about a reconciliation.