Cheryl admits to being guilty of lying about what happened on July 4, but she didn't kill Jason. Jason died on July 11. She helped him run away from Riverdale. The gunshot they heard was from something else, which she doesn't know about.
Betty's mother unveils the newspaper which explains Cheryl's lies. Betty has plenty of questions but has no answers.
Archie tells the police the truth about hearing the gunshot; he doesn't mention Ms. Grundy.
Veronica is going on a date with Chuck, much to Kevin's delight and Betty's disbelief.
Betty plans to revive the school newspaper. She asks Jughead to come on board as a writer; he agrees. His assignment is to investigate the other person at the river that day: Dilton Doily.
Archie is grounded for lying about his whereabouts during the summer.
Sparks fly between Chuck and Veronica. He is impressed by her; they make out in his car outside Pop Tate's Chock'lit Shoppe. The next day, Chuck marks Veronica with a "Sticky Maple" (a social media post that says they hooked up) and displays a photo of her online. She and Betty confront him in the men's locker room, but he refuses to take down the post.
Jughead asks Dilton questions about July 4. Dilton remembers seeing Cheryl sitting by the river, covered in water.
Cheryl offers to reward Archie for backing up her story. Archie asks Cheryl to help get Josie to help him with his music. Josie gives Archie the chance to air his music at a real event.
Betty digs deeper and discover that several girls, including Ethel, were victimized by the football jocks. Rumor has it the guys are keeping score of their conquests (real and fake) in a playbook.
Jughead confronts one of Dilton's cadets for the real truth. Dilton is the one who did the shot on July 4 to show target practice.
Ethel brings Valerie's (of the Pussycats) brother to meet with Betty: He knows of where the playbook is. Betty, Veronica, Ethel and Kevin sneak into the school at night to find the book. Cheryl surprises them and joins in on the search.
The group finds the book and they take photos. It confirms that Jason was also part of the game and used Betty's sister.
Archie suggests a line to Josie and it's a hit. Josie is impressed and allows Archie to offer more suggestions.
Betty seduces Chuck and invites him to fool around at Ethel's at a later date. He agrees. Chuck arrives to the hot tub/pool and Veronica is there too; Betty is dressed in a wig and a scantily clad outfit.
At a town event, Cheryl's mother slaps Alice Cooper for leaking Jason's autopsy in the newspaper. Josie and the Pussycats perform their new single.
Betty slips a muscle relaxer into Chuck's drink for him to tell the truth.
Jughead confronts Dilton about firing the gun. He demands he tell the truth.
Chuck admits to never sleeping with Veronica after the two handcuffed him to the hot tub. Betty, thinking Chuck is Jason, demands he apologize for what he did to Polly. She dumps maple syrup on his head.
Archie's father builds a soundproof area in the garage so Archie can practice his music.
The editorial causes Chuck and his friends to be cut from the team. Veronica worries about Betty after her incident, but the two are still friends. Betty and Cheryl burn the playbook.
Dilton makes a deal with Betty and Jughead to not reveal he caused the gunshot. He admits to seeing Ms. Grundy's car in the woods during the same morning.