It's 1950, the start of the Korean War. Ah-seong and her little brother, Jae-hyun, are victims of the Massacre of Nogunri. They're on their way south to Busan to reunite with older sister, Eun-mi, where they can begin anew. But tragedy strikes as they take refuge under a bridge and bid "Goodbye from Nogunri". Read the rest in "Book One: The Rabbit Hole".