After ten years of love, which episode is Deng Chao Angel Kissing in Bed?

In the third episode, Xiao Ran played by Deng Chao and hanling played by the angel have passionate scenes in the third episode. Xiao Ran said, "Let me show you something", and then took a Tattler condom out of his pocket. Han Ling smiled shyly and said, "What are you doing with it?" Then he started to be passionate, but in the end, Han Ling bit Xiao Ran, and nothing happened.