Senice

One night, after bribing the night orderly, McMurphy breaks into the pharmacy and smuggles bottles of liquor and two prostitute girlfriends onto the ward for a party, including some of the patients. McMurphy persuades one of the women to seduce Billy Bibbit, a timid, boyish patient, with a terrible stutter and no experience with women. Neglecting to clean up before the morning shift arrives, McMurphy and the other patients fall asleep. The staff returns and discovers the aftermath of the party. The staff finds the night orderly and the rest of the ward, in the minds of the patients, comically askew. The Nurse Ratched finds Billy Bibbit and the prostitute in each other's arms, partially dressed, and admonishes him. Billy asserts himself for first time, answering Nurse Ratched without stuttering. Ratched calmly threatens to tell Billy's mother what she has seen. Billy has an emotional breakdown, and once left alone in the doctor's office, slits his own throat and bleeds to death. Nurse Ratched blames McMurphy for the loss of Billy's life. Infuriated at what she has done to Billy, McMurphy attacks her and attempts to strangle her to death. He fails and is removed to the Disturbed ward, where he undergoes a lobotomy.

When McMurphy returns, he