And Suddenly It's Murder! is a regulation Dino De Laurentiis concoction: Big stars, lavish production values, muddleheaded plot. Three Italian couples go on separate vacations to Monte Carlo. When they open their suitcases, a body tumbles out of one of the grips. The rest of the film is a macabre variation of La Ronde, with the body being transferred from room to room and the i...