In the outskirts of a city that has been destroyed many times, a young boy and his older brother have come to the outskirts to find a way to destroy the city. The boy tells his brother that he used to live in the city when he was younger, but there is a barrier in the way that separates the city from the rest of the world. He says that in his past life, he destroyed the barrier before the city was destroyed. He asks his brother what he is doing, and the boy tells him that he is going first. When the boy asks what is going on, the boy says that he wants to know where his brother is going, and that if he does not go now, he might die. He tells the boy that he and his brother are still friends, but that they will not be friends if he continues to run away. When they were younger, xia and Lu piao were a couple but their talent was too great, and soon after xia married a young man from another family. Their feelings were smothered by family arrangements, and they suffered. During the destruction of the city, they sacrificed themselves for the sake of the glory city. Since they never gave any signals to each other, they gave up on each other