"Heaven Knows What" is a 2014 film directed by Josh and Benny Safdie. It is based on the real-life experiences of Arielle Holmes, who also stars in the film. The story follows a young woman named Harley as she navigates life on the streets of New York City, struggling with addiction and her tumultuous relationship with her boyfriend, Ilya. The film is known for its raw and realistic portrayal of drug addiction and homelessness. It combines elements of drama and romance, showcasing the challenges faced by those living on the margins of society. The Safdie brothers' unique filmmaking style emphasizes authenticity and emotional depth.