Living in a sub-divided unit, Keung has always imagined that he could buy a flat to live happily. One day, he discovers the Eden Project in a property brochure, where eligible mentally ill individuals can move into a luxury flat of over 1,000 square feet for free until they are fully rehabilitated, and the entire area is no different from the general neighborhood. In pursuit of escaping from the sub-divided unit, Keung decides to pretend to be a mentally ill patient...