Hua yue jia qi

Charlie Young and Nicky Wu are young rivals who find love and resolve together after Wu is killed by an evil gold-digging actress and her bank-robbing buddies (led by the nefarious Ho Ka-Kui). Wu comes back as a ghost, and thanks to a bizarre plot device he and Young are able to enter the past in an attempt to right wrongs, prevent Wu's murder, and generally act silly. (lovehkfilm.com)