A story of a high school boy as he processes the loss of his first love and learns to experience high school over again. For 3 years of high school, JU Ran has silently had a love for a young girl in his class. At the end of his senior year, as the college entrance examination looms overhead, JU Ran's situation changes, and he is given the chance to repeat his senior year. Through this year, he studies again for the examination, and has a second chance at his high school experience. JU Ran's tale is that of growing up, and a caution to take joy in every moment, because even second chances are not perfect.

The film is a spinoff of the original story and the two protagonists Wind and Cloud. The residents of Sword-Worshipping Manor, which houses the best sword-smiths in the world, are brutally massacred after they are alleged to be plotting a rebellion against the government. The young master of the manor, Ngou Kuet, is the only survivor. Ngou Kuet vows to finish forging the "Kuet" Sword, a task passed down by generations of his family which has yet to be completed. Ngou Kuet attacks Tin Ha Wui and battles with Wind and Cloud to obtain the blood of the Fire Kirin which can unleash the power of the sword. As the blood of the Fire Kirin runs in Wind's veins, he becomes Ngou Kuet's primary target.