Dongguo Xiaojie, a young girl, has lived with her mother since childhood. The year she turned sixteen, her mother suddenly fell ill with a "Grave Illness." To save her mother, Dongguo Xiaojie embarked on a perilous journey into the unknown. She is accompanied by her sworn elder brother, Mo Zixuan, and the mysterious youth known as Life's Hardship. However, danger strikes repeatedly as they face continuous attacks from people they encounter along the way. What conspiracy lies hidden behind this journey?