"Samuel" is a two-part episode of City 17 Street's 2009 series. It saw the return of Samuel Pade who last appeared in the episode "Walter and Freddy" over two-and-a-half years previously in January 2007. This episode was a setup to a handful of episodes later in the year which featured Samuel as the protagonist and going after a serial killer terrorising City 17.
Numerous other characters appeared, but nothing to do with Samuel's story.
Samuel Pade is back in City 17 and is investigating a series of grisly murders, in which missing people later turn up with grotesque mutilations. Despite no longer being a detective, Samuel conducts his own private detective work whilst holding down an office job at the City 17 Office. One day at work he receives a letter from someone claiming to have information on the case, and wants to meet Samuel at an abandoned subway station. Samuel decides to go alone to meet this "informant".
Samuel arrives at the abandoned subway station, fully armed and loaded. However a dark figure shoots Samuel, who collapses and starts bleeding out.