Alisa is the woman who disappeared from Jet's life shortly after he left the force. The reasons for her leaving are not known, when Jet came home one day there was just a letter and a pocket watch. Jet made a vow that he'd wait until that watch wound down, and after that he'd know that she was not returning.

In episode 10 "Ganymede Elegy " Jet returned to Ganymede and went to visit her at her bar called La Fan. There he encountered Rhint and would later be informed by Donelly that he was a bounty. Jet captures Rhint despite Alisa's objections. He does not let his old feelings interfere with what he knows that he must do.