 With the help of other inmates, Jimmy stages a riot so he can sneak out of prison to see the game.On the way, he finds the Filofax of uptight and spineless advertising executive Spencer Barnes (Grodin), which promises a reward if it is found.Over the next day, Jimmy takes on Barnes' identity—staying in the Malibu beach house of Spencer's boss, flirting with the boss's daughter, even taking a meeting with a powerful Japanese food company magnate named Sakamoto (Mako Iwamatsu).