The story of the relationship between the King who is renown for his ruthlessness and his subject who became his trusted steersman. They met when the King decided to disguise himself as commoner to see how his subject was doing. He befriend a commoner after a fight to decide who should win the girl's hand. They become blood brother and the commoner was assigned to be his steers...。1992年,一场大雨令香港停电,热爱观星的子月与反叛的旭日在海边相遇,暗生情愫。未几,旭日却被父亲送到寄宿学校,数月后更要移民外国。 二人像日与月一样难以相见,加上子月的母亲不断阻拦,但他们最终排除万难,展开了一段彷彿分隔两地的遥距恋爱,同时还要面对亲人、老师和同学等等各方面的挑战冲击⋯⋯。