Harley Quinn joins forces with a singer, an assassin and a police detective to help a young girl who had a hit placed on her after she stole a rare diamond from a crime lord.
- Year: 2020
- Country: United States of America
- Genre: Action, Crime
- Studio: Warner Bros. Pictures, DC Films, LuckyChap Entertainment, Clubhouse Pictures, Kroll & Co Entertainment
- Keyword: police, pickpocket, chase, joker, psychopath, superhero, nightclub, gang leader, based on comic, breaking the fourth wall, betrayal, vigilante, mobster, organized crime, shootout, female protagonist, orphan, criminal, police officer, police detective, spin off, hyena, held at gunpoint, henchman, exploding body, death of family, crime family, female police officer, nightclub owner, crime lord, woman director, hand to hand combat, vigilantism, suspended cop, murder of family, dc extended universe (dceu), dumped by boyfriend, loss of family, supernatural power, female antihero, vigilantes, betrayal of trust, gotham city, vigilante justice, jailbreak, suspended from job
- Director: Cathy Yan
- Cast: Margot Robbie, Ewan McGregor, Mary Elizabeth Winstead, Jurnee Smollett, Rosie Perez, Chris Messina