My Brilliant Friend S02E05 - Il tradimento (The Betrayal)
Summary:
As Pinuccia returns to Naples, a new secret excites Lila and numbs Elena. Subdued by Lila's charisma and indifferent to Bruno's flattery, Elena finds herself the keeper of a far darker clandestine series of events involving Donato Sarratore. After the girls encounter Michele and Gigliola, Lila seizes the opportunity to throw the whole truth in Stefano's face.