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After Colin Walcott drops dead at his birthday party, his wife Tess and daughter Cathy discover he had a long-term mistress Marilyn by whom he has daughter Cat. Furious, Tess throws out Colin's belongings while Cat is angry with boyfriend Marcus over a text he sent to another girl. When the two half-sisters meet, they argue over where to scatter their father's ashes which leads to police intervention; they also learn that he might have been having an affair with yet another woman.
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Episode 1
28 mins
Having finally come to terms with the fact that they are sisters, Cathy and Cat are now reeling from the news that they also have a brother, Callum--and that Cathy has just snogged him.