Episode 1

S4, E1: All is not well in the Marsden household as David and Karen struggle to come to terms with David's infidelity. Adam persuades him the only way to get back into Karen's good books and the marital bed is by becoming the man Karen always wished he were. Unhappily for David, his efforts only serve to make their marriage more fraught than ever. Meanwhile Adam and Rachel find the happiness of their newly married life overshadowed by the spectre of Rachel's infertility. They both seek to fill the gaping hole in their life by throwing themselves into other activities. It doesn't work and they finally admit their longing for a child and take the momentous decision to adopt. Pete and Jen are back together, their happiness apparently sealed by the discovery that Jen's pregnant. Pete's over the moon about the baby; his only source of antagonism is her enthusiasm for her new job. However their bickering is soon cut short when they discover at Jen's 12 week scan that the baby has died in utero.