Weitsz and Junping, two teenagers, are neighbors but never talk to each other. Weitsz doesn't have a smartphone like most of her friends and absolutely wants to have one. One day, she got the smartphone which Junping left behind on the street by accident. What would she do afterward? Smartphones have made our life more convenient and almost everyone gets one. People can chat with their friends everywhere, anytime as they want; however, its convenience has built an invisible wall between us. This short film was written/directed/acted/post edited by a group of teenagers under the assistance of professional director Isabelle Mayor. It showed the youth's observation and reflection on current social situation in Taiwan.