She formally worked with Baylin, before parting ways. Later, she was employed by Rankol. She had orders to go to Earth to capture and bring back Dr. Zarkov. After doing so, Baylin caught her scent and traveled to Mongo in pursuit.
Genessa fought Baylin, during the rescue of Zarkov. But in the end, she lost and Baylin took Zarkov back to Earth. Rankol was displeased by this, so he killed Genessa, by poisoning her drink. He stated she knew too much. ("Episode 110: Conspiracy Theory")