We see Will's apartment!
He wants to kill Isaac Keller, who's responsible for the death of his wife Mary, but finally decides against it.
4x18 A Dollar, a Dream
The team re-opens the 1999 case of a murdered homeless woman when her remains are found in a station wagon at the bottom of a lake.
"Home" - Sheryl Crow
"Here with Me" - Dido
"Those Final Feet" - Cowboy Junkies
"Something That You Do" - Emma Burgess
"Witness" - Sarah McLachlan
"Breakable" - Fisher
"Angel" - Sarah McLachlan
Flashback style: Black & White
New lead: Body or body part
Murder weapon: Gun
Murder type: Murder 2
Will Jeffries seeks vengeance for his wife's death
Jeffries: You left her there to die.