After uncovering the vast scope of Samuel Little's murders, an FBI crime analyst, DOJ forensics expert and a Texas Ranger must discover the identities of more than 90 victims he's claimed and close those cases.

A chance phone call brings together an FBI crime analyst, a DOJ forensics expert and a Texas Ranger, who join forces in an attempt to gain a cold-case murder confession from convicted killer Samuel Little. They get much more than they ever imagined.