When SUNG was still a child, he saw his father died for rescuing people in the fire. Then, he became a orphan and grew up in an orphanage, where he met his two life-long friends, LAU YI SOR and KO WAI TING. They shared their childhood together and built up a very close and intimate relationship. They are like brothers and sisters thereafter and were taken care by Principle TAO.
Years later, both SUNG and SOR are working at the same Engineering firm. Owing to the carelessness of SOR, he causes a fire in an examination of elevator. Fortunately, SUNG is efficient to rescue a child named CHU. Afterwards, it is discovered that CHU’s mother is suffered from metal illness. Her illness burst out, when she is forbidden to look after CHU. Hence, she carries CHU to the roof and intends to commit suicide together.
At that moment, SUNG, SOR and TING stand out to stop the over reaction of CHU’s mother……
