The information technology is like a double-edged sword, which could cause damage while improving our life. The fact that the cyber sub-culture and cyber bullying have swept through our society gives people the impression that the internet is a very dark and dangerous place. Nevertheless, the internet was and is still a gateway to a world full of opportunities. In a nutshell, it's totally subject to the attitude of its users as to whether or not the consequence of the novelty of the web is worldwide improvement or damage. Not wanting to be isolated in this new era, as a retired school principal, BAT-DAU, strives to learn how to use a computer. Unfortunately, the ever-changing net's reach is virtually ubiquitous and instantaneous, rendering BAT-DAU helpless as well as deepening the generation gap between him and his daughter HO-YAN. What can these seniors do to prevent marginalization?