In 1950, based on the of autobiographical short stories by Archin Panjabhan, Archin (Pijaya Vachajitpan) expelled from Bangkok's Chulalongkorn University in his sophomore year. Archin arrives with a letter of recommendation to the mining company office, but there was no jobs. He joined as mannual labour. Eventually, he becomes a trusted, integral member of the company, working as a surveyor.