When an asteroid hits the Earth, underwater volcanic eruptions risk submerging a riverside town and the inhabitants start to flee inland. The day before leaving, Nian says goodbye to a childhood friend but on her way she crosses paths with some of the town’s residents. Gradually, her memories of the town start to become clearer and clearer in her mind.

When an asteroid hits the Earth, underwater volcanic eruptions risk submerging a riverside town and the inhabitants start to flee inland. The day before leaving, Nian says goodbye to a childhood friend but on her way she crosses paths with some of the town’s residents. Gradually, her memories of the town start to become clearer and clearer in her mind.