A family begging her to get help and two overdoses in the last two weeks don't phase 21-year-old Britney as she fearlessly shoots up suboxone and bath salts up to 30 times a day.

Working as a fitness instructor at the most elite gyms and partying on the club circuit at night, Marquel seems to have the perfect life. But her family sees her exercise regime as obsessive-compulsive, and they watch her binge-drinking episodes end up in hospitalizations.

Eddie, an All-American baseball player in college with offers to play in the majors, was pursuing two master's degrees but school pressure and his father's overbearing expectations pushed Eddie to drink and gamble heavily. His addictions have left him divorced, homeless, and in legal trouble due to five DUI charges.

Kristie dreamed of being a museum curator and was getting her masters degree at Johns Hopkins University. But a childhood diagnosis of OCD caused by anxiety, worsened and caused her to drop out of school and begin to self medicate with alcohol.

 Ivan was once a rising rap star who got caught up in the "thug life" and PCP addiction.

Amy grew up feeling unloved and unable to meet her parents' high expectations. She was also molested by a neighbor when she was eight, but never told anyone in her family. She began to self-mutilate and restrict her diet, and by 17, she was diagnosed with bipolar disorder. Now, Amy

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. His daily habit took over and he lost both his film and fighting careers.

A 51-year-old grandmother, Sharon is a compulsive shopper who has undergone numerous plastic surgeries to feel better about her appearance. She also feels she must hit herself.