Investigation Discovery continues its heritage of providing in-depth  compelling documentaries & shows.

Investigation Discovery

When high school sweethearts Kay and David Parsons meet their new neighbors, an unlikely romance turns into a deadly obsession; an affair with the handsome repairman shatters the Craven's once-happy marriage.

Deadly Affairs: Betrayed by Love

Handsome and Handy

Sibling rivalry turns deadly when an extramarital affair makes enemies of two brothers; a bodybuilder rekindles a romance with an old flame, igniting a passion so intense it leads one of them to kill.

All in the Family

Jonathan Nyce had it all, but when his wife has an affair with the landscaper, things turn fatal; a taste for drugs mixed with a wandering eye make for a deadly cocktail.

Fatal Imports

The McGuires have it all, but when one of them cheats, their marriage ends with two bullets and three suitcases; happily married Ignacio and Heather Garraus live an ideal life until a wandering eye leads Ignacio astray.

Pack Carefully

An accomplished cellist thinks she's found her match until an old fling pops up online; when Rosemary Christensen marries a bad boy biker, she embarks on a new adventure that leads to a deadly affair.

Sour Notes

A Michigan couple starts up a comic book store, but when business heats up, they hire someone whose presence changes their marriage forever; a ten-year marriage falls apart when a bored wife pursues an old friend, with deadly consequences.

Lust for Love

For a wealthy funeral director and his wife, a secret affair puts one of them in very deep water; the late-in-life marriage of two schoolteachers finds itself disrupted when a stranger shows up, claiming to be family.

Love Scam

In Texas, a hot new coworker threatens the sanctity of a deeply devout marriage; in Kansas, a young evangelical couple stays unshakeable until the big man on campus enters the picture.

Until Death Us Do Part

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S1 E4 | Sour Notes