Just as it seems Cassie and Middleton's handsome new doctor Sam seem ready to turn their friendship into something more, Sam's ex-wife Linda threatens to come between them. Grace embarks on that teenage rite of passage - learning to drive - while Cassie continues to work her special brand of magic with a seemingly perfect couple staying at Grey House as well as with a new hire ...。Pairs of siblings see each other's love life up close and personal as they search for 'the one' together. Will they act as the ultimate wingman to help you find love? Or scupper your plans?。