Intervention

When he was three, Gabe's mother abandoned him on the streets of Calcutta, but he was adopted by a young American couple.

Forty-year-old Jeff was once known as a heroic firefighter after he saved his partner's life. But Jeff was traumatized by the harrowing event, and his drinking increased drastically.

Identical twins Sonia and Julia, 22, shared everything as children and grew up in a loving home.

When he was five, Donald's parents divorced. He longed for a strong father figure.

When she was young, Nikki's mother and grandmother worked hard to give her a good life.

Aaron was a mixed martial arts champion, but at the height of his career he started working in adult films. Through the porn scene, Aaron was introduced to crystal meth.

Although she has two loving children and an adoring husband, Danielle is dangerously addicted to Percocet. As a teen, Danielle felt neglected by her alcoholic father and began cutting herself.

This follow-up episode features former subjects Chad and Brooke as they rediscover their lives during and after treatment.

With a terrifying addiction to heroin, Joey's career as a tattoo artist is in jeopardy. His parents divorced when he was three. At 13, Joey started smoking marijuana and soon graduated to ecstasy, LSD, and heroin.

At 53, Gloria prides herself on being a good cook and an independent, fun-loving woman. But Gloria uses her cooking and charm to manipulate her family into letting her drink as much as she wants.

To outsiders, Marci's family life seemed ideal. But while her mother worked, Marci was left home with her alcoholic father. She endured his abuse while her mother looked the other way.

Gabe and Allison return to tell their stories after they both faced interventions and treatment. Gabe used heroin to deal with the deep emotional scars caused by his adoption.