Adam and Rachel wage a territorial battle over whose place to move into; David and Karen hire a nanny and differ over the issue of having another baby; as Pete and Jenny anxiously await the birth of their first child, Pete's meticulous planning comes to pieces when he mislays his mobile phone.

After moving in with Rachel, Adam learns that she is still married; Karen agrees to have another child with David, but then finds out he's made a bad investment; Pete and Jenny have difficulties with their newborn baby.