Relations between Frank and Peggy are still strained. He tells Roy, "every time I open my mouth I seem to put my foot in it". Peggy visits Doctor Fonseca. He's sympathetic and arranges a biopsy for her. Still angry, Sarah spurns Alex. He tries to explain - he stopped her from going to Bridge House to keep her safe. Sarah is beseiged by doubts. She tells Alex she can't come to church anymore - "how can I believe in God when I can't believe in myself?" Alex tries to assuage Sarah's doubts. She flees when she sees Nina. (thetvdb.com)