Ten-year-old Maxzyne always has her head in the clouds, but this time she might be in over her head! When a homeless woman gives the young girl a painting of the French poodle displayed in a store window, she sets off a chain of events that even Maxzyne finds hard to believe.

A wayward freight elevator, secret tunnels and vintage mannequins in distress, pull this impulsive heroine straight into a historic Chicago department store, where her rescue mission is filled with challenges.

Adults must be avoided at all costs, but can Maxzyne convince the ghastly Gigi not to use the mannequins heads in her art exhibit by store closing tonight? The clock is ticking...