Xu Mo meticulously decorates her wedding room, only to be asked by her fiancé's family to give up the house for his eldest brother's wife to live in, with their wedding repeatedly accommodating the sister-in-law. Disappointed, she cancels the wedding, remodels the wedding room according to her own design, and leaves to work and live in a new city. Later, she meets Lu Ze, who respects her and has a sense of boundaries, regaining a stable and secure relationship. Her fiancé He Jingyan finally wakes up, draws a clear line with his family of origin, moves out after redecorating the house, and learns to grow through regret. The story tells that by holding onto the bottom line in intimate relationships and saying goodbye to the wrong person, one can walk toward the happiness that truly belongs to oneself.