
This episode of Unsolved Mysteries covers the deaths of Shannon Davis, Aileen Conway, the disappearance of Glen and Bessie Hyde, and the case of Dottie Caylor.
Shannon Davis died in a horseback riding accident shortly after her marriage to Dave Davis, who had taken out large life insurance policies on her. Her parents, Bob and Lucille Moore, suspected foul play after discovering Dave's deceitful behavior and his insistence on cremating Shannon's body. A toxicology report later revealed traces of an unknown drug in her system, leading to a murder charge against Dave.
Aileen Conway's mysterious car crash in Oklahoma was initially ruled an accident, but her husband Pat suspected foul play after finding odd circumstances at their home. Investigations revealed potential arson and robbery, with Pat determined to uncover the truth behind her death.
The story of Glen and Bessie Hyde, who vanished during a rafting trip in 1928, is connected to the discovery of a skeleton years later. Rumors circulated about their fate, including a claim by a woman who said she was Bessie Hyde, but investigations failed to confirm the identity of the remains.
Dottie Caylor, suffering from agoraphobia, disappeared after being dropped off at a BART station by her husband, Jewel. Despite initial hopes she left voluntarily, suspicions arose regarding Jewel's involvement as the search for Dottie yielded no leads.
This episode examines four unsolved mysteries involving suspicious deaths and disappearances of spouses.

This episode stands out for the following:
I believe he married Shannon Davis to kill her and to profit.Unsolved Mysteries with Robert Stack - Season 1, Episode 1 - Full Episode
I’ll never quit as far as trying to solve the case.Unsolved Mysteries with Robert Stack - Season 1, Episode 1 - Full Episode
I’m Bessie Hyde.Unsolved Mysteries with Robert Stack - Season 1, Episode 1 - Full Episode
There’s no peace, there’s no rest.Unsolved Mysteries with Robert Stack - Season 1, Episode 1 - Full Episode