Fatal Vows: Twisted Desires (ID, Saturday, June 14, 2025)

Fatal Vows: Lethal Love Triangle

Fatal Vows is back on ID this Saturday with another look at the dark underbelly of “til death do us part.” Airing at 11 PM ET, Twisted Desires keeps the true-crime series in its well-worn wheelhouse, spotlighting a marriage turned deadly when one spouse looks outside the vows for connection—and kicks off a chain reaction that ends in murder.

The series, long a cable mainstay, has built its brand on digging into the motives behind marital betrayal and the fallout when passion takes a criminal turn. Twisted Desires keeps the usual formula tight, focusing on deception, desire, and a descent into darkness when an outside affair triggers extreme reactions.

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Fans of shows like Dateline or Snapped, both of which have carved out niches covering domestic disputes that turn fatal, will find familiar ground here. While the story plays out with the standard true-crime beats, Fatal Vows tends to focus on the escalating emotions that drive a couple toward breaking point.

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Fatal Vows airs Saturdays at 11:00 PM ET on Investigation Discovery.

Andrew Martins, reviewer, recapper, deep diver, scifi specialist. Thinks Blakes 7 is better than Star Trek. Yes I do go to fan conventions and no I don't dress up. Well okay maybe I do a bit.