Hammer witnesses the murder of a mobster and, in the shooting, the owner of the café is seriously injured. Hammer is determined to avenge her shooting and is out to find the killers, which will also stop a potential mob war.

A small shopkeep is murdered and a customer is severely injured in his shop. There doesn't seem to be a motive but the clues point to his connections with the mob. The federal authorities are also interested in what is happening.