To learn a thing or two about the eternal game of love, the grizzled Scottish gentleman, Colonel Sir Edgar Fraser, decides to take his immature son, John, on a trip to marvellous Paris, to show him the ropes. There, a very welcome surprise awaits, as the Frasers meet their ideal romantic partners: the young and fresh Parisian belle, Lisette Marconnet, and the charming ageing widow, Sylvia Gilbert. However, as light-hearted infatuation gives way to deeper feelings, both father and son devise secret plans to marry the other off. Will things work as planned?