As the Battle of Britain looms, the villagers are living under a cloud of fear. Pat strikes up a friendship with a Czech soldier stationed nearby, but her joy at independence from Bob is short-lived. Laura is forced to face the consequences of her affair with Richard Bowers, and Spencer and Claire’s relationship takes an unexpected turn. Sarah receives some shocking news about Adam, but her sorrow is overshadowed by tragedy for Frances. Meanwhile, Alison strikes a bargain with the police.