Jug and Betty turn the episode into a “locked room mystery,” literally locking the door and spelling out the twisted turn of events that have served as the mainRiverdale "I could've told you that years ago. I just didn't want to spoil your motivation." — to save Nick. But her problems do not stop there as the series will also be introducing a new character. allows Jughead to crack the case and he and Betty surface from the bunker to confront his former Stonewall classmates and Mr. DuPont. The look on Brett’s face when Jughead strolls into the classroom? Truly priceless.