Byung Woo and Hee Su are hearing impaired brother and sister who have learned oralism. Byung Woo since graduating from high school have worked at the 24 hour fast food restaurant for 2 years but still is a minor part timer. A newcomer joins the restaurant crew but he ignores Byung Woo. Byung Woo gets more sensitive about the position and come into conflict with the manager. As the newcomer's mistake wrongly
