The name of this movie is Arthur 2: On the Rocks and it's main theme is Arthur (Dudley Moore), that irrepressible drunk, tries to sober up -- and get a job -- in this sequel to the 1981 smash hit. Meanwhile, the father of the girl Arthur stood up at the altar in the first film is conniving to trick the hapless boozer into marrying his daughter so he can gain entrée to Arthur's $750 million fortune. .