It's been nearly a year since their father's sudden death revealed the existence of siblings Cat and Cathy to each other--and Colin's mistress, Marilyn, to his wife, Tess. The sisters are now reeling from the news that they have a secret brother, Callum--whom Cathy just snogged. While Tess makes extravagant plans for spending her inheritance, Marilyn is furious to learn she wasn't Colin's only mistress and tracks down his other lover, Angela. But that backfires when Angela gets thrown out by her shocked husband, leaving Marilyn to take in the house guest from hell. Having formed a hard-won bond since Colin's demise, can this unusual family welcome these newcomers into their lives? -- Adapted from container.