The story of three children in Sattahip of different backgrounds that became friends; Puchong, a Thai boy, Jimmy, a Korean-American boy and Muay, a Chinese girl. One day while exploring, they impulsively take a hearse going to Bangkok. There, they fall in the hands of various different adults, and learn the sad truth of the adult world.

The border of Burma and Thailand is lawless place, where people live and die by the law of the gun. Into this situation comes a young police lieutenant, intent on reforming the rough and rowdy local police force along the Salween River.

A grudge against a young Chinese boy selling tofu named Tofu (Sombat Metani) against a drunkard in the Snake Boxing Bureau arises. This led him to investigate the culprit who killed his father. The name of Chao Som Tam (Piyamas Monyakul) until they became friends. Later, he meets an old beggar who teaches him drunken punches, but in order to take revenge, he has to find a golden boy to know the secret to revenge on the enemy. Tofu is a young Chinese man who sells tofu to find out who killed his father. At the same time, he learned kung fu from the old man and also found love with Piyawan, a vendor of som tum habra. Meanwhile, Touhua discovers that the person who killed his father is Chao Kwai, a disciple of the Snake Boxing Academy, so Touhui must successfully clash with Chao Kwai to get revenge.

A privileged, sheltered son of a politician is forced into an arranged marriage which results in a violent argument with his parents, causing him to be kicked out of the house. He experiences poverty for the first time in his life as he makes his way from Bangkok to Chiang Rai. While there, he falls in love with a local woman, but is soon swayed into delivering drugs from Chiang Rai to Jinghong, a perilous journey where he witnesses the evils of humanity.