Contemporary Moscow. While riding her bicycle one day, Alyona, a shy librarian, accidentally collides with Liza, a dazzling blonde. When she wakes up in the hospital, she discovers that she and Liza have exchanged bodies.

Pottan要去一个骑马营地，但最后到了一个回收中心，在那里她遇到一个奇怪的工作人员。一天，Pottan发现工作人员正在制造一枚太空火箭。