Chai Raja's wife, Queen Jitravadee, dies shortly after giving birth to the heir Yodfa. The king takes a new consort, Srisudachan, and has a son by her. After several years of peace. Soon after, Srisudachan, descended from the deposed U-Tong dynasty, takes Boonsri Worawongsa, another U-Tong descendant, as a lover and starts plotting to take over the throne.