Yan Yang Yi and Bao Hu Lu strayed into the strange Underworld Town, where they can only enter but cannot leave. Anyone who leaves without authorization will die mysteriously. Although Yan Yang Yi doesn't believe in the horror legends all over Yin-Yang Town, he frequently encounters strange things. Will he be able to survive time after time? What was even more unexpected to Yan Yang Yi and Bao Hu Lu was that under the curse, the spooky town has an amazing secret behind it.