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.

Villanelle decides to take matters into her own hands on a trip to Amsterdam. Carolyn is called in to face the music with her boss. After the discovery of another dead body, Eve and her new team make a break in their case.

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.

Eve's mission is disastrously compromised. Carolyn briefs Eve on her current status as an employee of the British government and leaves Eve's future in her own hands. Villanelle does everything she can in order to get to her ultimate target.