Season 1 of Boiling Sun premiered on August 14, 2011.

After the massacre at Fah Roong Farm in Phu Prakarn city, Phupa and Usa, the owner of the farm are killed. There's Tawan, their only son who survived and escaped with Saroj, Phupa's best friend.

Saroj believes the manipulator of this massacre is Sakda, Phupa's business partner who wants to seize Fah Roong Farm. Saroj takes Tawan to escape from the hunt and raises him up to be a brave fighter like him. He sends Tawan back to Fah Roong Farm again to find out about the mystery of his family's death and avenge them.