In Season 4, Eve, Villanelle, and Carolyn are in very different situations. After a heart-to-heart on the bridge, Eve embarks on a journey of revenge, Villanelle finds a new group to try to prove that she is not a "monster". And after dealing with the traitor Paul, Carolyn continues to spare no effort to track down the "Twelve Apostles" and the man who ordered Kenny's death. This season revolves around several extraordinary women, each driven by passion, revenge and obsession. The story finally moves towards a chaotic, subtle, and brilliant finale.