The Big Crunch (1) (S02E04)

Joanna Barnes, a student and devotee of a religious sect, finds herself embroiled in a scandalous relationship with Kenneth Trant, the group's married leader. When she is confronted about the affair, Trant and the other leaders take her captive, prompting the police to enlist the aid of criminal psychologist Fitz to locate her. As tensions rise, Trant's wife and sister learn of Joanna's pregnancy and set out on a vengeful mission that culminates in a chilling attempt on her life.