Overview: Jack is furious when Abi lets Roxy spend time with Amy, but his heated mood turns to concern as she tearfully reveals her fears about Tanya. However, her mother reacts angrily at his attempt to try to discuss what happened - and reaches a momentous decision. Lola tells Billy she is pregnant, prompting him to accuse Tyler of being the father, while Jean receives an unexpected bit of good luck and Carol tries to make peace between Dot and Rose