M (Yossawat Sittiwong), a young man who wishes to have a better life, has decided to go to India for a pilgrimage at the four main Holy sites of Buddha: Lumbini where he was born; Sarnath where he delivered his first teaching, Bodh Gaya where he was enlightened, and Kusinara where he attained nirvana. But to reach his goal he must take another journey in his mind to face the origin of suffering.