On Alison Braithwaite's 40th birthday, her daughter Charlotte gives her a ticket for the first-ever Euro-lottery - with shocking results.

Alison becomes even more determined to keep her lottery win a secret when she receives another windfall and her daughters start pleading for their share.

David struggles to keep track of the lies he is telling, while Virginia gets mugged at a cashpoint and Sarah confesses her love to her drama teacher.

David ends his affair with Elaine, but it is too late to stop the truth coming out. Meanwhile, Virginia plots revenge on Megan.

Sarah reveals she is pregnant, while David and Alison both struggle to keep their secrets from being uncovered.

As the lottery win is splashed all over the newspapers, Sarah decides her baby's fate, and Alison finally learns the truth about David's affair.