The Sun of Zartha follows the story of the characters in Men In Black II (MIIB). The action picks up immediately after Laura's departure from Earth, the events of which were seen in the next-to-final scenes of MIIB. The actors' names in parentheses are either actors in the original Men In Black films or actors this author feels would be great for the respective (original character) roles. Spoiler warning: Plot and/or ending details follow. The main characters are: Spoilers end here.