Mong Ryong is afraid of communicating with the world. As a hobby he collects phone numbers scribbled on walls. One day out of curiosity, Mong Ryong dials one of the numbers and meets Shim Chung. As they share their pain and sorrow, the relationship grows more and more intimate. One day however, Mong Ryong is hurt by one of Shim Chung's frivolous lies. He turns his back on her when Shim Chung needed him the most.