Villanelle's new circumstances are looking bleak, while Eve makes a dangerous deal with an old acquaintance. Villanelle is surprised when she is approached by a figure from her past.

The point of no return: Villanelle uses her unrivaled infiltration skills to immerse herself in the world of a new target. Their relationship on the rocks, Eve and Niko confront each other about their future.

Villanelle dives deep into the dangerous world of her target under the guise of her newfound persona, Billie. Eve may have worrying competition for Villanelle's affections.