Focuses on the adventures of the brave unicorn girl, Acorna, as she faces her most difficult challenge ever. She has defeated slavers, a deadly international conspiracy, and the vicious alien Khleevi, only to endure the loss of her beloved Aari, distant in both time and space. Having rescued her people from their enemies, Acorna is disturbed by sinister changes that are demonstrated by her beloved lifemate. Aari, a situation that is complicated by...

Acorna's rebellious daughter risks everything in order to protect the universe from a mysterious plague-spreading enemy, an effort that is compromised by threats closer to home.