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The 1958 death of an unknown 6-year-old boy found in a field inside a cardboard box is reinvestigated after a small suitcase with the child's picture and his old cowboy hat is left in front of a church. The new probe reveals that the rowdy boy lived at a Catholic-run orphanage and was adopted two days before his suspicious demise.

Oh, that old job. Boy in the box. City's most famous cold job.

When a dying boxing referee makes a confession about a 1976 fight, the team re-opens the case in which an underdog fighter, arranged to fight against a much more qualified boxer, took a heavy beating in the match and died only moments afterwards.

This movie's got me thinking, If some bum wants to be president in the United States, he really can be.

When a note connected to a supposed suicide is found, the team re-opens the 1994 case of a high-school kid who fell from the roof of the school building after having served detention. In 1994 the death was deemed a suicide, but the newly-found note indicates that the victim might have been fearing for his life.

Goodbye forever bloody / but beautiful we three are / falling from heaven

In the season finale, a drug addict mother, who lost her son in an apartment fire in 2005, comes forth claiming she just saw the same child in the park.