C.I.D. - Season 1 Episode 704

A husband who is spying on his wife, sets up a meeting between his wife and her lover. He places CCTV cameras inside the hotel room and keeps an eye on them. He goes into confront his wife but to his surprise the hotel room was empty. He couldn't believe the fact that his wife and her lover could have gone missing even after keeping an eye on them through his CCTV cameras. Where did his wife go?