Which episode is Erkang's drug rehabilitation in Heaven and Earth?

39 episodes. According to the story of the 39th episode of "Make a scene in Heaven", Erkang's drug addiction broke out again soon, this time tied up. Xiao Jian stuffed a towel into Erkang's mouth for fear that Erkang would bite his tongue unconsciously in pain. Wei Zi talks to Erkang, or plays the piano and sings to him, singing the new song she wrote for Erkang when he left. Every word is her homesickness. Erkang, who was going crazy, gradually calmed down in Wei Zi's gentle and euphemistic singing. Wei Zi is like Erkang's willpower. When he died, he still held his hands tightly. His wandering heart also found the feeling of coming home in Wei Zi's gentle eyes. As a result, under the careful care of Wei Zi, Erkang's drug addiction gradually eased. Finally, he no longer needed cinnabar powder, and Erkang finally found himself. Princess Zhu Huan Part III: Heaven and Earth is the third part of Princess Zhu Huan series, directed by Ping Li and Ding, and written by Qiong Yao. The play tells the story of May and Swallow conspiring with Er Kang and Wei Zi to cause a lot of trouble. In this process, the swallow gradually found out his life experience, and thus had contradictory and complicated feelings for Yongqi and Emperor Ama, who had been closely related.