Overview: The disappearance of Mr. CHONG leads 'Little Sprin' to suspect several of the visitors of having done away with Mr. CHONG after failing to obtain favors from him. However, detective PAO suspects there may be more behind the story. CHONG's daughter, HUE TUNG, recounts that she had been knocked unconscious while talking to her father the night before he disappears. 'Little Sprin' who was eavesdropping under the bed is also rendered unconscious. Regaining consciousness, they discover Mr. CHONG's disappearance. A tape recording of Mr. CHONG's voice is accidentally found by PAK FU YUNG under her pillow. He asks her to endeavor to find him. KIU KAM FA learns of the tape recording and insists in participating in the search. The visitors all discover that one door in each of their room leads to the basement which they proceed to search. However, no trace of Mr. CHONG is found……