Isla-Lee Mulgrew is Christine's youngest daughter. She's only fifteen and has been through a lot. She was abused by her own father which resulted in her getting pregnant. Unable to love her daughter, Isla gave her up. She couldn't be a mum. But she burdens the guilt feeling like she didn't do anything. Isla begins to struggle with her decision and goes off the rails. When she and Max Tyler get close, she feels like she wants to replace her girl. But will things go to plan?