Melissa is a research and development assistant working on the BAHRAM Orbital Frame Project. Unknown by her colleagues, Melissa is actually a UNSF spy, leaking information about Orbital Frame development. When the testing facility is infiltrated by a UNSF team, Melissa takes point and leads them around the structure.    It was Melissa&rsquo;s idea to take both Dr. Links and Dolores hostage. Melissa is also responsible for Dolores&rsquo; death after unloading several gunshots into her abdomen.

Z.O.E. 2167 Idolo will take place a few years prior to the events of the series Z.O.E Dolores,i, and is centered on the "Deimos Incident," an act of terrorism by the Mars revolutionaries.<br><br>
The BAHRAM army pilots Radium and Viola are the best in their class, and have such have been chosen to do spearhead testing on a new type of weapon; Mars hopes this weapon will liberate them from the UNSF's (United Nations Space Force) tyranny. This new technology called the "Orbital Frame," is powered by an extreamly rare and powerful source of energy known as the metatron ore.<br><br>
This OVA depicts the Deimos incident, and the story leading up to this incident. 