Episode 3 (S05E03)

A typhoid outbreak stirs tension within a tight-knit family as they grapple with the identity of the carrier. Sister Winifred finds herself in a moral quandary when a local teacher is discovered to be pregnant by a married man. As the teacher takes drastic action, Winifred must confront her own biases. Simultaneously, Barbara unwittingly commits to dinner with Tom but becomes anxious about Trixie's possible reaction to the situation. The emotional strain of these events threatens to unravel their close bonds.