After a tragic accident wiped away a year of her memory, Baek Chanbi finds herself surrounded by familiarity that no longer feels like home. Among the fragments she lost is a deep, loving relationship with Kang Gyeonoh—now a stranger in her eyes, but someone whose presence stirs an inexplicable warmth. Caught between her cautious logic and a heart that feels what her mind cannot recall, Chanbi embarks on a quiet, emotionally charged journey to rediscover what was once hers.