The team investigates a network killer who buries his victims alive, and Tara confronts Rebecca's ex who has recently re-entered her life. Ronald Graber delivers a message from his Disciple to Voit.

Cast: Joe Mantegna, Paget Brewster, Adam Rodriguez, Kirsten Vangsness, A. J. Cook, Aisha Tyler, Zach Gilford, Ryan-James Hatanaka