A story of two closeted lesbian girls. Xu Meng Nan is an orphan who was raised by the pastor of the village church. She befriended a girl from their village, Yu Yue. As they grew up, they developed a deep bond and some inexplicable feelings. The two decided to live together in the city. However, Yu Yue's father, Song Lin, owes a high debt due to his gambling. The debtor demands Song Lin to give him Yu Yue as payment for his debts. Xu Meng Nan does everything to avenge her lover.

Five young people who have never met each other accidentally enter a time and place where monsters are rampant.