In which episode of Princess Pearl, Wei Zi plays the piano for Emperor Amar?

Episode 24, Part 1, Swallow Flying in Princess Pearl

Yongqi and Benmingjie meant well, and finally the swallow forgave them. The queen mother will soon return to the palace from Wutai Mountain, and the palace is being cleaned up and down. Shu Fangzhai, who has been unable to get on, can't help worrying the emperor. The emperor visited Shu Fangzhai in the evening and listened to Wei Zi play the piano and sing, which he enjoyed very much. Wei Zi told her life story in a dark way. The emperor was deeply moved and played chess with her all night. In order to refresh the emperor with lotus dew tea, Swallow and Jin Suoyong Qi Ban Mingjie went to the lotus pond outside the palace early in the morning to pick his dew.