Su Qingyuan, the first disciple of Yao Valley, rescued a dying bristlecone pine in a heavy rain and carefully cared for it to grow into a human form. However, Bristlecone Song was deceived by Su Qingyuan's maid Ah Zhi, mistakenly believing that she was her savior, and helping him to do evil. Together with Ah Zhi, they bullied Su Qingyuan in an attempt to seize the secret recipe of Yaogu and break up their engagement. In the end, Su Qingyuan used her wisdom to see through the conspiracy and reveal the truth. Bristlecone Song suddenly wakes up, feels regretful, and develops a deep love for Su Qingyuan as they get along day by day. Finally, he impresses Su Qingyuan with his sincerity, and the two finally get married.
Purpose: Plants and trees will repay kindness, and people should be sincere and kind-hearted.