When the Cullens go to Gotham city to get answers on Renesme. They run into the one and only Harley Quinn. What happens when she attacks them because she thinks that there's vampires that killed her family. What happens if Emmet is mated it to the one and only Harley Quinn.? What does Bella hates Harley? Or In which the Gotham city's most wanted villain is mated it to a vampire Cullen.