Armed with just a name and a photograph, Annette Vega spent years looking for her biological father. The family story would go from Puerto Rico to Florida to New York.

LaMont Dottin was a freshman at Queens College when he vanished one day in 1995. His mother became a "one-woman search party" whose journey would lead her to a mass grave.

Hisako Hasegawa lived for decades in a New York City hotel, and was a mystery to those around her. And all through the years, she would return small favors with extreme kindness.

Dawn Powell infiltrated the writing world by hanging out in bars and taverns around New York's Greenwich Village in the 1920s. What happened after she died didn't go according to script.

When Noah Creshevsky learned he was dying of cancer, he declined medical treatment. Soon, he and his husband David were faced with another decision: what would become of his body?

A few years ago, a man who called himself Stephen became a fixture in Manhattan's Riverside Park. After his body was discovered, a woman who knew him made it her mission to bring his story to light.