One of Ray's informants is stabbed, but the prime suspect is able to provide an airtight alibi. Meanwhile, a flight attendant is murdered in Toronto, and her father heads to Chicago looking for justice.

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!!Tropes featured include:

* StrangersOnATrainPlotMurder: The solution to the episode: the ex-con TV host is being blackmailed by a police informant over an armed robbery he was never caught for, while the husband of a wealthy woman is having trouble keeping his mistress from contacting his wife. They both have such obvious motives that they decide to swap victims.
* TitleDrop: Uttered by Ray towards the end of the episode.
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