Airs Tuesday, Jan 27 2015 at 20:00 GMT on BBC One
Sacha's determination to be a good father to Rachel is challenged by a revelation which pulls the rug out from under him.
Meanwhile, Mo's efforts to keep her head down and her family secret to herself are undermined by a persistent Adele, who is determined to make everything better between them.
Elsewhere, scared that she is falling for Harry, Mary-Claire tries to pump the brakes on her relationship with him.
