: Realizing she needs to break her cycle of heartbreak, Rob decides to revisit her past by contacting her other "Top Five" exes to get their perspectives on why their relationships ended.

: The episode features a cameo by Debbie Harry of Blondie, who appears to Rob in a dream-like sequence to encourage her plan to seek closure. Soundtrack

: An earlier, raw version of "Heart of Glass" that plays at the end.

In this episode, the protagonist Rob (Zoë Kravitz) becomes obsessed with the identity of Lily, the new girlfriend of her "Top Five" heartbreak, Mac. Her investigation leads her down a rabbit hole as she tries to figure out who Lily is and why Mac moved on with her.

: Rob finds temporary sympathy and a distraction in Liam, a musician she meets. However, after a night with him ends awkwardly ("with a thud"), she realizes she is stuck in a self-destructive pattern.