Sarah Phelps

Following the tragic drowning of a young boy in her care, Vera attempts to maintain her connection to Hugo, the boy's uncle and her lover. Hugo coldly dismisses her attempts to stay in his life, informing her that her employment is terminated and he is leaving for London.

Vera Claythorne attempts to befriend the housekeeper, Ethel Rogers, by wandering into the servants' quarters. Ethel coldly rebuffs Vera's attempts at familiarity, insisting on maintaining strict social boundaries and professional protocol despite their shared employer.

While getting manicures, Maureen delivers a thinly veiled insult to Margaret by comparing her sexual reputation to the behavior of Bonobo apes. Margaret maintains her composure and delivers a sharp, cutting rebuttal that highlights Maureen's own insecurities and lack of prowess.

Lombard and Vera confront each other about their dark pasts and the ruthless motivations behind their crimes while trapped on the island.

Margaret visits her mother, Helen, who uses her physical frailty and sharp tongue to undermine Margaret's confidence and judge her affair with the Duke of Argyll. The scene highlights a toxic mother-daughter dynamic where affection is withheld and replaced by critiques of appearance and moral standing. Margaret attempts to assert her happiness but is ultimately silenced by her mother's manipulative vulnerability.

Blore experiences a breakdown of guilt and paranoia, questioning if the characters are already in hell. He graphically confesses to the brutal murder of Landor, a young man he beat to death, while simultaneously worrying about the mundane fate of his tomato crop.

During a tense social gathering, Marston mocks the older guests while Lombard and Vera exchange sharp, flirtatious barbs.

While trapped on the island, Blore attempts to find comfort in memories of his garden before spiraling into a harrowing confession about the man he murdered. He grapples with the terrifying realization that they might already be in hell, paying for their past sins.

Dr. Armstrong apologizes for his outburst and proposes a secret alliance with Justice Wargrave as paranoia regarding the other guests grows.