Buddy, Can You Spare A Crime?

For several years, Martin has been one of San Francisco's homeless and unemployed citizens, undertaking odd jobs when offered and eaking out a living selling the Street Sheet. Then, when two friends are killed -- one another homeless person and the other an apparent member of the financial community -- it's up to Martin to discover who...and why...After all, sometimes a bum just has to do what bum has to do...