Aaron apologises to Villanelle and invites her to go to Rome. Villanelle interrogates Niko whilst Eve visits the psychologist. In Rome, Villanelle discovers Aaron’s plans but Eve becomes jealous of their relationship.
Eve finds a connection between a murder committed by Villanelle and another death in 1974, and is disturbed by the delivery of a birthday cake sent by Villanelle.
Villanelle’s return to her family home in Russia is met with surprise and suspicion from her extended family. She bonds with her reclusive brother Pyotr and her Elton John-obsessed half-brother Bor’ka, and reunites with her mother Tatiana.