Gallagher faces the ultimate challenge.

Gallagher begins to put the final pieces of this deadly mystery together.  But an old nemesis has plans to bring about Gallagher's demise.  Who will fire the final shot?

Randi Stockdale finally reveals everything she knows about the West Castle murders.

Johnny Nicoletti arrives in Boston with a specific assignment: to make sure that Gallagher has investigated his last case.  Will Kate become an unsuspecting casualty?

Gallagher continues his investigation in Washington, DC and uncovers a critical clue to ultimately solving the murder case.   

Gallagher has a meeting with Congressman Prendergast's Chief of Staff.  Jimmy Nolan has plans for murder. 

Gallagher comes to grips with the danger of this case.  He pursues his leads to Washington DC and the office of Congressman William J. Prendergast. 

Gallagher interviews Mickey Ryan in jail and is determined to stay on the case and find the killer.

Gallagher spends Thanksgiving weekend with Kate.  She expresses her concerns about the danger in this case.  Gallagher attends Mickey Ryan's arraignment and has an unexpected encounter with his ex-wife.  

Mickey Ryan is arrested for the murders of two of the doctors.  Gallagher wonders if he will be removed from the case.

Congressman William J. Prendergast and Johnny Nicoletti make their first appearances.  But Gallagher only has eyes for Kate.

Gallagher confronts Mickey Ryan.  But where does Jimmy Nolan fit in?

The murderer claims another victim, and Gallagher begins his search for Mickey Ryan.

Gallagher quickly learns that this is a far more complicated matter than he originally thought. 

Daniel Cormac Gallagher, Jr. agrees to take on the case. 

The quiet New England town of West Castle, Massachusetts is the scene of two shocking murders.