Zion, a girl that is always taken advantage of by her friends because she is so shy and timid, is approached by two people who asks her strange questions about whether she believes in Confucianist moral doctrine and in the end she is bowing and performing

In the shadowy heart of Seoul near Cheonggyecheon Stream lies a sinister mansion whose porch only fools would dare tread. Welcome… to the house of the Ki sisters: Jang-nyeo, Sal-gyo, Jae-rim, and Jenny. Homeschooled and raised in isolation, the four sist