The Joker and Harley Quinn rob a bank and run round the streets in an open top car packed with bags of money with the police in hot pursuit. The Joker escapes again but Harley is captured by a women with a sword, a katana as we know it.
However, for the series, Amanda Waller, who oversees the government security agency A. R. G. U. S., uses a group of supervenants for a risky operation to another world. When Amanda loses contact with the first team of suicides Which she sent through the portal, she establishes the new team with Deadshot, Peacemaker, Clayface, King Shark, and Harley. However, as soon as they get inside the portal, their helicopter falls in the middle of horse-riding soldiers fighting off monstrous orcs.
As all the A. R. G. U. S. agents were killed in the crash, the villains get free from the restraints and start attacking the orcs along with human soldiers without any understanding of the situation becoming prisoners themselves. When back at the castle immobilized by the magic chains, Harley and the others have no option than to fight for their lives by getting back to the portal before the bombs A. R. G. U. S. attached on their necks go off.