E.L. "Tenspeed" Turner, a con man out on parole, forms a crime-solving partnership with Lionel "Brown Shoe" Whitney, an accountant who has dreams of becoming a hard-boiled detective.

E.L. "acquires" a posh office so Lionel can impress his visiting parents, then finds stolen diamonds there.

E.L. anticipates profit when he figures out that the agency's cleaning woman turns out to be a Russian princess.

The duo becomes a target for murder when Lionel tries to crack a 40-year-old homicide case.

An ex-convict enlists E.L. and Lionel's aid when his parole officer tries to force him to steal; guest Nicolas Coster.