From the distant depths of space, a real robot detective named Soup flies to Earth. His mission is simple and at the same time incredibly difficult to complete - the robot detective needs to track down a space thief who is stealing... rare animals from an earthly zoo! The guys - Yura and his sister Lena - come to help Soup. And now the trail of insidious criminals leads the robot detective and his assistants to where there is an unknown spaceship that is preparing to take off...