Saen San Phan San Su tells the story of 'Saen', a down and out boxer whose future is about to end because of the goodwill of his friends, until the boxing industry turns its back on him. He returns to live with his mother in the province. Many things happen until he sees death as a warning, causing him to return to search for the legendary boxing teacher. And finally, he gets what he has dreamed of, plus a wife....