Navid (Michael Steger) and Gia (guest star Rumer Willis) launch an investigation into student drug use at West Beverly for Blaze News, which leads them to Annie's (Shenae Grimes) boyfriend, Jasper (guest star Zach Sherman), leaving Annie torn over who to believe. Fresh off his break-up with Adrianna (Jessica Lowndes), Navid receives dating advice from Samantha Ronson (appearing as herself) while out with Liam (Matt Lanter), Teddy (Trevor Donovan) and Ivy (guest star Gillian Zinser) at the Edison. Worried that Adrianna will relapse, Naomi (AnnaLynne McCord) and Silver (Jessica Stroup) enlist Navid's assistance. Dixon (Tristan Wilds) reveals his situation with Sasha (guest star Mekia Cox) to Debbie (Lori Loughlin) and Harry (Rob Estes), prompting Debbie to do some investigating. Jen (guest star Sara Foster) and Ryan (Ryan Eggold) meet up with Pharrell (appearing as himself) to watch a performance of N.E.R.D.