Which episode is the Ideal City drinking game

Ideal City Drinking Game is the seventh episode. When Du Juan realizes that Su Xiao has suddenly disappeared, she carries everyone around to look for her. Xia Ming meets Su Xiao who is going crazy on stage in a KTV, at which time she sings loudly and dances crazily until the end of the song. When Su Xiao realizes that Xia Ming is standing under the stage, she takes him for her ex-boyfriend Zhou Jun and rushes over to him, hugging him and bawling her eyes out.