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			Mild-mannered Elwood P. Dowd leaves the house for the 
			day with his invisible six-foot-three rabbit friend, Harvey, and is 
			secretly watched by his sister, Veta Louise Simmons, and her 
			daughter Myrtle Mae.  As Veta is planning a party that day to 
			launch Myrtle Mae into society, she is determined to keep her 
			peculiar and chronically inebriated brother away from the house and, 
			to that end, telephones her friend, Judge Omar Gaffney.  
			Gaffney immediately dispatches an employee, who slips on a newly 
			washed floor and is knocked unconscious. 
			Meanwhile, Elwood arrives with Harvey at Charlie's, 
			his favorite bar.  Learning of Veta's party, Elwood returns 
			home and, by genially introducing Harvey to the women attending the 
			party, sends them all scurrying for the door.  Myrtle Mae sees 
			her hopes for a husband leaving with them and, in desperation, Veta 
			decides to commit Elwood to a sanitarium.  On hearing Veta's 
			story, Miss Kelly, the nurse, assigns Elwood to a room but, when a 
			confused and upset Veta then tries to explain Elwood's case to Dr. 
			Lyman Sanderson, he commits her instead. 
			Sanderson then scolds Kelly and sends her to 
			apologize to Elwood, who unsuccessfully attempts to introduce Harvey 
			to the preoccupied staff.  As he is leaving the sanitarium, 
			Elwood encounters Mrs. Chumley, the wife of the sanitarium head, and 
			invites her to join him for a drink.  When she declines, he 
			asks her to send Harvey to the bar if she sees him inside and 
			identifies his friend as a "pooka."  When Mrs. Chumley later 
			reports this conversation to her husband, the doctors realize their 
			mistake.  Consulting her dictionary, Mrs. Chumley learns that a 
			pooka is a fairy spirit that takes the form of a very large animal. 
			In the meantime, an extremely upset Veta returns 
			home.  While she recovers upstairs, Marvin Wilson, the 
			sanitarium attendant, comes looking for Elwood.  Myrtle Mae is 
			immediately attracted to him, and he returns her interest.  
			Chumley then arrives and dispatches Wilson to the train station.  
			Just as Veta announces that she is going to sue Chumley, Elwood 
			phones from Charlie's looking for Harvey, and Chumley hurries to the 
			bar. 
			
			Back at the sanitarium, Wilson encounters the fired 
			Sanderson and, when they realize that Chumley is overdue, Wilson, 
			Sanderson and Kelly all hurry to Charlie's to look for him.  
			There, Elwood explains that after a few drinks, Harvey and Chumley 
			left for another bar.  Wilson goes after him, leaving Kelly and 
			Sanderson with Elwood.  Elwood's gentle flirting with Kelly 
			sparks Sanderson's interest in the nurse, who has long loved him.  
			Elwood tells them he spends his days drinking with Harvey and 
			talking to people in bars and relates the story of how he met 
			Harvey.  Wilson returns without Chumley but with the police, 
			who convey Elwood to the sanitarium. 
			Later, Chumley returns to the sanitarium and asks to 
			speak privately with Elwood.  After Chumley acknowledges 
			Harvey's existence, he tells Elwood about Veta's plan to commit him. 
			Soon afterward, Gaffney, Myrtle Mae and Veta arrive. 
			Chumley rehires Sanderson, who then offers Elwood a serum that will 
			make him shoulder his responsibilities and eliminate Harvey.  
			Elwood declines but, when Veta explains how hard it has been to live 
			with Harvey, he agrees to take the shot.  While Elwood is in 
			the examining room with Sanderson, Veta's taxi driver comes in to 
			ask for his payment and describes the changes in people who have 
			taken Sanderson's injection.  At the thought that Elwood might 
			stop enjoying life and become crabby, Veta stops Sanderson. 
			Aware that Myrtle Mae is in love with Wilson, Elwood 
			invites him to dinner.  He then leaves with Harvey but, when 
			Chumley begs him to leave Harvey behind, Elwood reluctantly agrees.  
			Just as he passes the sanitarium gates, however, Harvey rejoins 
			Elwood. |