You can get your hands on the Korean version (with English subtitles) of suspense thriller, Manhole, from March 18, 2015. Directed by Shin Jae Young, Manhole promises to takes audiences underground into the heart of terror. It will set you back a pretty penny but if you just can't wait for an official release in your neck of the woods - or alternatively, the Hong Kong version which is always cheaper - this might be the solution. Either way, check out the trailer at the link below.
Synopsis:There's a serial killer on the loose in a Seoul neighbourhood, and he's been using manholes to capture his victims. Many people have gone missing in the last few months, and the latest victim to disappear is a young girl named Soo Jung (Kim Sae Ron, A Girl At My Door). Her older sister Yeon Seo (Jung Yoo Mi, Our Sunhi) must race against time to find the killer (Jung Kyung Ho, Fasten Your Seatbelt) and save her.