An accountant moves into an office formerly owned by a private investigator and begins picking up side work as a private eye, after clients looking for the office's previous occupant inquire about his services.
Three buddies wake up from a bachelor party in Las Vegas, with no memory of the previous night and the bachelor missing. They make their way around the city in order to find their friend before his wedding.
A novice sleuth is hired by the police after he cons them into thinking he has psychic powers that help solve crimes. With this assistance of his reluctant best friend the duo take on a series of complicated cases.