California, here she comes! Harley heads to Los Angeles and joins an underground wrestling troupe (as one does). But while she thought the trip would help her cope with grief…grief followed her all the way to the West Coast. When a new friend of hers dies, she knows in her heart there is foul play at work. Luckily, she's got help investigating this mystery from Booster Gold, determined to become her new crime-fighting partner! It all culminates in the star-studded roast of Harley Quinn—but how well can she take a joke? Plus, "The Joker War" hits Harley Quinn as Harley and Punchline meet face to face!