Dai Hung is the head chef of Ah Yong Cafe who is unable to get along with the owner's daughter, Rosemary. When trouble starts brewing at their workplace, Dai Hung and Rosemary have to set their differences aside to save the cafe.

In 1992, a heavy rainstorm caused massive power outage in Hong Kong. At that night, two young astrology enthusiasts, Moon and Sun, met under the starry night by the seaside. When their affection to each other grew, Sun was admitted into a boarding school and would move to another country in a few months under his father's plan. Like the sun and moon, the couple could hardly see each other despite that they were living in the same city, but their love endured amidst the separation and opposition from Moon’s mother. Overcoming the challenges from teachers, friends and family, time has come for Sun to depart…

Kung and Kin's rivalry goes way back to the seventies when they fought over the same girl, who eventually became Kung's wife. Now they run competing phone stores right across from each other on Mongkok's busiest street, and stretch their minds trying to outdo each other with crazy promotions.