Overview: Things are looking up for Frank: Derilee has left her husband and joined him at the Gallaghers, becoming a surrogate mum for Stella and his job is going well. However, things are set to change forever when a gunman runs riot on the estate - It's Derilee's husband Baxter and his target is Frank. As police swarm the estate, Frank, Derilee and Stella are held hostage, and if that wasn't enough for the feckless Gallagher to handle: ex-wife Monica is back! Meanwhile, Lillian has a new boyfriend, whilst Mimi's fued with the Blanco family reaches a climax.