Li (Sam Hui) operates at a sanitarium as a male nurse, and Ah Tim (Michael Hui) is an useful guy. One day, a bearded old man is sent out right into the sanitarium with a large bag. Ah Tim takes care of to swipe the bag, and also discovers antique fragments inside. When the old man passes away, both pick up from his daughter that there is a sunken vessel that is packed with a lot more than they already have, so they determine to pursue the sunken prize.