36F - Hell Train: Hoaqin (4): Wangnan and Yihwa wonder how to retrieve Hwa Ryun whilst Daniel and co stumble across a problem blocking their progress. Using Hwa Ryun to solve the maths puzzle, Daniel justified his actions as they went inside. Meanwhile, Team Tangsooyook encounter Ha Jinsung who checks in on his cute little pupil. After finding out about the situation Jinsung tells them not to go after the train as it was too dangerous.