Right after suicide squad, Harley has trouble adjusting back to her normal life. She can't stop the flashbacks, the nightmares, nothing helps. Not even J.
Harley Quinn has broken off her relationship with Joker after falling in love with Batman. But, after a car crash blanks her recent memories, Harley goes back to her old self, planning to honor Joker's memory in the best way possible...by killing Batman.