When a person suffers from Obsessive Compulsive Disorder (OCD), they feel an urgent need to perform repetitive, senseless, and often troubling tasks such as checking and rechecking doors to see if they are locked. There is a constant anxiety involved with these behaviors, as the person is continually worried about contamination of their hands or endangerment of their children. Six people with OCD appear in Step on a Crack: Obsessive Compulsive Disorder, and talk about how the disorder has affected their lives. They discuss their treatments, which can include medication and therapy. ~ Alice Day, All Movie Guide