Riley Stearns (born June 29, 1986) is an American writer-director, best known for his feature films "Faults" (2014), "The Art of Self-Defense" (2019) and "Dual" (2022). He was married to actress Mary Elizabeth Winstead from 2010 to 2017.
Casey is attacked at random on the street and enlists in a local dojo led by a charismatic and mysterious Sensei in an effort to learn how to defend himself. What he uncovers is a sinister world of fraternity, violence and hypermasculinity and a woman fighting for her place in it.
A terminally ill woman opts for a cloning procedure to ease her loss on her friends and family. When she makes a miraculous recovery, her attempts to have her clone decommissioned fail and lead to a court-mandated duel to the death.
Claire is under the grip of a mysterious new cult called Faults. Desperate to be reunited with their daughter, Claire's parents recruit one of the world's foremost experts on mind control, Ansel Roth.