A Harley Quinn origin story.
In which Margot Robbie's Doctor Harleen Quinzel is seduced by Jared Leto's joker.
"This was a genius, a parasite, a manipulative psychopathic clown with every mental illness in the book- but heck. I'd always taken interest in the... eccentric."
Note: This fan-fiction was written before the release of most plot details/promos and the movie itself, therefore, some information may be slightly different from the final cut.