The GSA embarks on their long-awaited trip to San Francisco. Greta and Riley navigate a new awkwardness, Nathan and Naomi turn a fun game into a merciless sibling takedown, and Sam moves his questions for Chester offline.

Drowning in excessive male energy, Arianna hosts a girls-only sleepover for Naomi and Delilah. As they work to cast the negativity out of their lives, a potentially devastating secret also helps inspire a solution for Delilah and Naomi's romantic dilemma – much to Arianna's chagrin.