In Martha’s Vineyard, Mass., conjoined twins Walt and Bob Tenor make the best of their handicap by being the fastest grill cooks in town. While outgoing Walt hopes to one day become a famous actor, shy Bob prefers to stay out of the spotlight. When a fading Hollywood actress, Cher, decides to get her show “Honey and the Beaze” cancelled, she hires Walt — and his brotherly appendage — as her costars. But their addition surprisingly achieves the opposite.