Harleen Quinzel is many things, a gymnast, anxious, broke... but the last thing anyone would call her is evil. Harley Quinn on the other hand... When Harleen signs up to participate in a clinical research trial with her girlfriend, Pamela, the most she can hope for is extra cash in her wallet and a chance to get her anxiety under control. But what she gets instead are increasingly larger gaps in her memory and stolen mementos from some guy named Jack...