A limited series based on a memoir, "Gorilla and the Bird: A Memoir of Madness and a Mother's Love" by Zack McDermott. "Gorilla and the Bird" is an inspirational tale of a mother's unconditional love for her bipolar son. Zack (the Gorilla) fights to regain his sanity after a devastating psychotic break, turning to the only person who didn’t give up on him -- his mother (the Bird). Once a highly successful public defender for the Legal Aid Society of New York, Zack goes on a harrowing journey of delusions and antisocial behavior, leading to his eventual arrest and commitment to Bellevue Hospital.