Portia

Portia is Tanya McQuoid's long-suffering personal assistant, a young woman caught between gratitude for her wealthy employer and frustration with the vapid, aimless life that comes with serving the ultra-rich. She represents the millennial/Gen-Z experience of proximity to wealth without access to it — performing emotional labor for a boss who is simultaneously generous and oblivious, while scrolling through her phone and wondering what her own life is supposed to look like.

In Sicily, Portia becomes entangled with Jack, a charming young Englishman who is connected to Quentin's circle. Their fling offers her an escape from the tedium of attending to Tanya, but it gradually becomes clear that Jack is not what he seems. He is part of the network surrounding Quentin's plot against Tanya, and Portia unwittingly becomes a pawn in a scheme she doesn't understand.

Portia's arc culminates in a harrowing realization that her vacation romance was engineered to keep her away from Tanya during the murder plot. Jack's veiled threats and her frantic attempts to warn Tanya arrive too late. Portia survives the season physically unharmed but psychologically shattered, left to process how close she came to something genuinely dangerous. Her story serves as the show's commentary on the millennial condition — being present at the scenes of power and violence without ever quite understanding the forces at play.