Derailed (2005)

When two married business executives having an affair are blackmailed by a violent criminal, they are forced to turn the tables on him to save their families.

Plot Keywords: prison, chicago, illinois, rape, based on novel or book, hotel room, husband wife relationship, anonymous letter, blackmail, family's daily life, letter, business man, relationship problems, man between two women, revenge, deception, beating, flashback, violence, wallet, extramarital affair, embezzlement, advertising executive, abortion, commuter train