Cheryl and Jason Blossom are a pair of seemingly normal kids in Riverdale. They're wealthy, popular and likeable—but they also harbor a deep, dark secret—one of the Blossom Twins is the Anti-Christ. Both want the title, and no one in Riverdale is safe.
The Blossom twins have challenged one another to a competition. The challenge: corrupt Betty Cooper! The winner claims the title of Anti-Christ. But a mysterious figure has entered Riverdale, and he wants in on the competition—and the reward—himself!