On a stormy night, ordinary college student Chen Mo rescues Su Hongxiu, a girl covered in injuries and brimming with wariness. She transfers into his class and forcefully enters his life, immediately moving in with him. Fierce and domineering toward everyone else, Su Hongxiu reveals her vulnerability only to Chen Mo, obsessively regarding him as her sole salvation. Amid their chaotic everyday life together, they find warmth and comfort in each other and embark on a mutually healing romance.