Four leaves Clover represents hope, confidence, love and luck. One piece of four leaves Clover draws 3 teenagers' hearts together.

A group of teenagers follow their dream pursuing their goals. They found themselves through facing problems of friendships, love, obstacles and confusion, and experiencing the youthful period from initially being enemies to encouraging one another in the end.

Story begins in Shun Ngai Private High School...............

Legend has it that there're 4 heavenly god-swords in a fencing club who are invincible, never losing a match before. They could have altered an ordinary high school into a famous high school but a day before their match, the 4 heavenly god-swords disappear. Shun Ngai Private High thus turns back into its old common self, even less known by the world.

A new school year begins, a talent althlete new student AuYeung Lok(played by Don Li) soon becomes a fencing club's pillar, which recovers a previously subsided fencing club once again. He also becomes the most popular person in school. AuYeung Lok's elder brother AuYeung Yat(played by Lai Lok-yi) is a lazy person who is coerced by his younger brother to join the fencing club. And Yat is lucky enough to take a part in Lok's honor due to his younger brother's success.

with the help of her friends Go Ching(played by Natalie Wong) and Lam Suet-man(played by Yiu Chi Ling), A validatorian Cheng Ka-Nam(played by Race Wong) in next classroom decides to run the school periodical once again after the periodical has not been published for a long time. They ask "Big Miu" Wong Miu Yee(played by Renee Dai) and "13 Mui" Tsui Kam Mui(played by Kelly Fu) to help them also to revitalize the school periodical from its mundane and conservative style.

A rich boy who just returns to Hong Kong from a western country Don Chu(played by Eddie Lee) proclaims that he wants to be the president of the fencing club, not wanting to let Lok to have all the fun. Both of them compete for the title and both become the school's attention. Don Chu's childhood friend and best pal Kwan Yu-Lung(played by Sam Chan) also attends Shun Ngai Private High, heeding Don's order all the time. But due to special circumstance, Lung and Suet-Man start having feelings for each other..........Don chases after Kar-nam passionately so Ka-nam has to ask Lok to help her out. Lok and Ka-nam hang around together all the time and Lok is also a caring person thus the relationship between the two of them looks ambiguous. Yat also lost himself in Lok and Ka-nam's intimate relationship.

A fencing seletion begins, Don and Lok compromise secretly that the loser will forfeit his right to chase after Ka-nam. While everyone's attention is on Don and Lok's competition, Yat who never win a point, suddenly and quietly defeats many opponents. Maybe even Yat is unclear that there's a strength within himself to contend 'til the end. In the end, both Don and Lok score equally, both compromise to a fair competition chasing after Ka-nam.

In order to prepare for a academic fencing match, the fencing club go to Saipan to practice. During their practice, Don and Lung are one team while Lok and Yat form another team to join triathlon. B/c of this competiton, the four of them realize the value of team spirits and develop a friendship with each other.

After they return to Hong Kong, Lok prepares to disclose his feelings to Ka-nam................

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