Harley Quinn teams up with Batman to counter the villainous plans of the Joker and Poison Ivy. However, Harley Quinn does not suspect that she is the Joker's secret weapon, and must become the cause of Batman's madness.

SYNOPSIS:

The plot of the Alternative Gotham takes place in another universe. Altham is a modern metropolis devoid of the conventions and stylization of Gotham in comics. Instead of Gothic architecture, the city has an urban style with an abundance of high-rise buildings and high-tech elements. In this universe, Harley Quinn is named Isabelle McQuinn. She is an evil psychotherapist who works as a business coach and teaches people to use negative character traits to achieve popularity, power and money.

Isabelle McQuinn has superpowers. With the help of a cocktail of psychotropic drugs, drugs and painkillers, she is able to control and control her subconscious mind, which gives her a high level of mental and physical abilities.