Crazy people feel things more deeply than normal ones, you know -- we could all learn from them. Australian slacker Lewis (Ben Mendelsohn) takes a job staging amateur theatricals at a local mental institution. Against his better judgment, he allows twitchy
inmate Roy (Barry Otto) to persuade him that they can put on a production of Cosi fan Tutti,
which Roy casts with the obligatory eccentrics. Cherry (Jacki Weaver) is a middle-aged nymphomaniac, Ruth (Pamela Rabe) an introverted neat-freak, Julie (Toni Collette) a beautiful, moody young drug
addict whose parents had her committed. Among the men: stuttering ex-lawyer Henry (Paul Chubb), belligerent arsonist ...