Q:Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who vows revenge against Van Zant? Title: Heat Movie plot: Joey Davis (Dallesandro) is an unemployed former child star who supports himself as a hustler in Los Angeles. Joey uses sex to get his landlady to reduce his rent, then seduces Sally Todd (Miles), a former Hollywood starlet. Sally tries to help Joey revive his career but her status as a mediocre ex-actress proves to be quite useless. Sally's psychotic daughter Jessica (Feldman) further complicates the relationship between Sally and the cynical, emotionally numb Joey.
A:
McCauley