Irene is a working class mother living in upstate New York. She struggles to keep her marriage together and raise two sons while keeping her cocaine addiction a secret. After a series of nearly fatal mishaps and finally hoping to make a change in her life, she decides to check herself into a rehab centre. She knows kicking the habit would be tough, but the experience proves even more difficult than she could have anticipated. There, she meets and falls in love with a fellow reformed addict. When one of them falls into a relapse with the addiction, their commitment to staying clean and to each other shatters.