The skit The Lord Is Knocking explains how, in the last days, the Lord knocks at the door of our hearts with His words, and that wise virgins can hear God's voice and feast with the Lamb.
Pastor Chang Shoudao has always awaited the Lord's return, but when Brother Zhen testifies to him that the Lord has already returned, he stubbornly sticks to his own notions and imaginings, believing that the Lord will return on a cloud, and keeping the door of his heart closed to the true way.