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Every time Lamont (Demond Wilson) and Fred (Redd Foxx) have an argument, Fred suffers another of his famous "heart attacks"; indeed, at one point he has six such attacks in the same day. Determined to call Fred's bluff, Lamont rushes him to the hospital for a coronary exam. To keep up the pretense, Fred switches his papers with those of another patient -- and very nearly ends up undergoing an embarrassing (and embarrassingly painful) operation.