Saddened to hear that his friend doesn't want a birthday party, Finn sets out to change Alex's mind with the help of his imaginary dad, Billy. Meanwhile, Joseph's seen to move in with Archie, but a misunderstanding puts the move and their friendship on hold.

A chance encounter puts Alex face to face with a woman he believes to be his mum. Full of emotion, Alex has a million and one questions. With the help of Charlie, Alex goes digging but is in for another shock when he meets his mum's daughter, Alice. Back at Ashdene Ridge, Taz is forced to confront memories from her past as she tries to stop Mike selling the piano, and Archie just can't resist a bargain at the market.