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, a terrorist action by the Mars revolutionaries.

The Buffram army pilots Radium and Viola are the best in their class, and as such have been chosen to spearhead testing on a new type of weapon, Mars hopes this weapon will liberate them from the Earth's tyranny, this new technology called the Orbital Frame is powered by an extremely rare and powerful source known as Metatron.

This OVA depicts the Deimos incident and the story leading up to this incident, the pilot Radium is sucked into the power complex of Metatron which makes him go from a nice guy to a blood thirsty maniac, but when Earth finds out about this secret weapon, they assault the Mars research base in an attempt to steal the orbital frame, during this raid the head scientist of development and Radium's girl friend Dolores are abducted, but the earth forces failed to capture the Idolo orbital frame, in an act of his love Radium races off to the Buffrum army orbital base to save Dolores and what ensued was what history would call the Deimos affair.