Ilana discovers Ben killed Jacob, so she plans to kill him. Meanwhile, Jack, Hurley and a suicidal Richard visit the Black Rock. In the flash sideways, Ben, a high school teacher, tries to blackmail the school's principal.
Quest roles:
Daniel Roebuck(Leslie Arzt), Tania Raymonde(Alex Rousseau), Alan Dale(Charles Widmore), Jon Gries, William Atherton, Steve Boatright(Officer)