Zenon is back in orbit and still managing to get herself into trouble! After inadvertently trashing Commander Plank’s quarters, she is assigned the lowly task of Alien Detection duty. While on duty, Zenon discovers that her space station is being decommissioned and so she must sneak down to Earth to try and stop it. On top of all this, she also makes alien contact though no one believes her at first. Once again it’s up to Zenon to take charge and save her friends, family and the space station!