Jeannie Wong, a former schoolteacher takes her Chinese medium, Mr Chan, to court for allegedly cheating her out of a large sum of money after helping her exorcise an evil spirit that is following her around. Dennis and Wendy take on the case after their colleague handling the case suddenly falls ill. One misfortune after another besets the lawyers in court as they try to prove that Mr Chan is a cheat and a liar. Jeannie falls apart on the witness stand, as do Dennis' other witnesses. The trial has to be temporarily adjourned when Jeannie suffers a seizure in court