While helping Eric deal with his PTSD, Archie is forced to confront his own past trauma in the Army. To find the Lonely Highway killer, Betty and Tabitha come up with a way to lure truckers to Pop's. Cheryl extends an invitation to Kevin and Veronica gives Reggie a shot to prove her wrong.

After going MIA during the middle of her world tour, mega-star Josie McCoy returns to Riverdale unexpectedly. But it's not until she reunites with her former bandmates Valerie and Melody, that she opens up about the real reason why she's back. Elsewhere, Veronica gets creative after a surprise visit from her old friend Alexandra Cabot. Finally, Toni steps in to help Tabitha and Veronica land a deal.