Chapter One Hundred and Twelve: American Psychos (S06E17)

In order to catch the Trash Bag Killer once and for all, Betty (Lili Reinhart) devises a plan to hold a serial killer convention in Riverdale. Elsewhere, Cheryl (Madelaine Petsch) receives some news about Toni (Vanessa Morgan) and Fangs (Drew Ray Tanner) that sends her spiraling, while Archie (KJ Apa) and Tabitha (Erinn Westbrook) try to loosen the grip Percival (Chris O’Shea) has over his workers. (CW Television Network)