Marc says that ex-con Rob's arrival gives sister Carla a shock when he suddenly appears at Underworld and immediately has a run in with Peter. It's the start of a family reunion for Carla and Michelle with jailbird Rob, but will it all be happy families?
Find out more about the mysterious Rob and see a sneak peek of the drama to come, including Rob's romantic encounters as he starts working at the factory.
And how will Rob react when he learns about the difficulties his sister Carla has been facing recently?
See the full interview with Marc here.
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