Grant is at the centre of a tangled web of deceit and half-truths as both Tiffany and Lorraine lie their way into his bad books and he has to find a way of letting Joe down gently. Bianca tries to make Tiffany face up to the dangers of her game. Pauline finally hears something good about wayward son Martin, while Ruth and Mark upset Huw and Lenny plan for tenancy with news about the house. Nigel helps Dot come to terms with her past.