Trouble seems to follow know-it-all Judy Maxwell (Barbra Streisand) wherever she goes. This time it takes the form of Howard Bannister (Ryan O'Neal), a musicologist attending a convention where he's competing for a grant that will allow him to study the musical properties of certain igneous rocks. Judy pursues Howard despite his protests, and his overbearing fiancĂ©e, Eunice Burns (Madeline Kahn), begins to question his motives. To make matters more confusing, there are four identical plaid overnight cases circulating through the Bristol Hotel: one contains diamonds and jewelry, another holds more »