Much married American movie mogul Ivor Llewellyn depends on his friends at Bachelors Anonymous to keep him out of romantic entanglements on his trip to London. First, they arrange for Joe Pickering to be his bodyguard. Then his lawyer, Ephraim Trout, is sent to England to help fend off the actress Vera Dalrymple who is determined to ensnare Llewellyn. All seems to be going well. But when devoted bachelor Trout takes it upon himself to thwart a romance between Pickering and a beautiful journalist, he sets in train a series of events which end in more than one marriage including his own.