-Martin Pettigrew, a nine year old boy witnesses Volker and his men murder Horatio Jones, a man set to testify against Volker. Clyde, one of Volker's henchman finds Martin but hides him away instead of killing him.
-Lisbon goes after Volker once again. This time with Jane's help. They pull in Clyde for questioning and realize he didn't kill the boy but have no evidence to hold him.
-When Volker tells Clyde he knows he spoke with Lisbon, Clyde walks in front of a bus and kills himself instead of facing Volker.
-Volker has Brenda from the CBI under his thumb. She reluctantly brings him information about Martin.
-Realizing someone within the CBI is feeding Volker information, the CBI team rush to find Martin who was given to another woman and told his mother had died.
-Volker tracks Martin to a field trip at the zoo. When he tries to abduct the boy, Lisbon shoots, wounds, and then arrests him.
-Jane reunites Martin with his mother.