A timid professor in San Francisco for a conference bumps into an eccentric, disaster-prone woman whose antics throw his carefully ordered life into upheaval - while a case of mistaken identity involving a jewel thief and a government whistle-blower only adds to his woes. Comedy, starring Barbra Streisand, Ryan O'Neal and Madeline Kahn.

The accidental mix-up of four identical plaid overnight bags leads to a series of increasingly wild and wacky situations.