Everyone takes things that don't belong to them. From Medusa, it was her reputation. From Poseidon, it was his freedom. When Poseidon is released from prison, after years of being locked away, the bodies start piling up, and all fingers point to Medusa. Agent Kyrie Alcide of the Perseus Initiative is tasked with investigating the case, and keeping tabs on Medusa. But Kyrie is about to find out that everything in the legend of the infamous gorgon might not be as it seems. Now, if Kyrie can't discover who the real murderer is Medusa could find herself their next victim.