Gretchen and Gloria survived a terrible childhood. Gloria goes on to lead a happy life, while Gretchen turns to drugs and prostitution. Tragically, both twins participate in a house fire that causes a horrific death and leads to twin-on-twin betrayal. For even more ID content, head to discovery+. Go to discoveryplus.com/killer kin to start your 7-day free trial today. Terms apply. Hosted on Acast. See acast.com/privacy for more information.