After losing his job and nearly being kicked out of the house, Shannchyuan finds himself unable to remember what happened to him in the past four hours. When a friend who is in danger calls to ask for help, he doesn't expect to meet an orphan girl who witnesses a bizarre kidnapping. He still doesn't even understand what really happened when his friends experienced strange things one by one. Soon after they get involved in events they have never imagined before, their lives will never be the same as before!
Jongharng Chioujen doesn't expect that what he thought was so simple would have so many oddities behind it. The people who are watching over their house he couldn't take lightly. Things become more complicated when he loses track of his friends. Subsequent searches lead Chioujen to the fact that a group has been keeping an eye on his house and friends for five months!
Beeihae Shinnshiow isn't as enthusiastic as his friends when they start to check the underground space in their backyard. But gradually, he takes an active part in finding the secret passage that begins from the dungeon. The situation is tense when they find someone else wandering in the secret underground passage!