Dennis investigates the motives of a well-to-do housewife who returns home after vanishing without a trace five days earlier. Isobel profiles a profiler with a vicious speech impediment. A stubborn Kennedy refuses to beg Megan to come back to The Eleventh Hour.

Dennis is compelled to seek clemency for a Canadian prisoner on Death Row in the U.S. Meanwhile, Isobel uncovers a shocking secret while producing a story on the new face of pornography.