Taking Care of Business

Taking Care of Business is a 1990 comedy film starring James Belushi and Charles Grodin. It was directed by Arthur Hiller.

A convicted car thief and diehard Chicago Cubs fan, Jimmy Dworski Belushi wins tickets to the World Series. Unfortunately, he still has a couple of days left to serve in prison and the warden Hctor Elizondo wont let him leave and come back. 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 yuppie 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 Spencers boss, flirting with the bosss daughter, even taking a meeting with a powerful Japanese food company magnate named Sakamoto Mako Iwamatsu. The fake Spencers unorthodox methods, such as beating the magnate at tennis and telling him about the poor quality of his food products, gets the attention of the taken aback Sakamoto. However his unconventional negotiations with the food company insults some of the executives, seemingly ruining Spencers reputation. Meanwhile, lacking his precious filofax, the real Spencer Barnes is spiraling into the gutter. Losing all his clothes, his car and money, he has to rely on an old college acquaintance, the neurotic and overbearing Debbie Lipton who keeps trying to rekindle a relationship with him. ........

Source: Wikipedia