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讲述了90后戏精男女从各自单身带娃到走进同一屋檐下的故事。齐思乐为了女儿萱萱脑瘤的手术费，需要拿下茂林策划案订单，苦缠茂林老板宋皓宇。而宋皓宇也在带儿子辰辰挑选生日礼物时，发现齐思乐身上有一枚和辰辰一样的胸针。宋皓宇通过胸针的线索，逐渐确认了萱萱和辰辰的关系。为了能让两个孩子有圆满的家庭，宋皓宇向齐思乐提出求婚，两人自此走入前途未卜的婚姻。
Qi Sile takes her daughter Xuanxuan to pick out a birthday gift, where she and Song Haoyu cross paths because of a brooch. Later, when Qi Sile and Song Haoyu join a parent-child activity, they end up mocking each other.
Qi Sile keeps pressing Song Haoyu for the contract. Chenchen becomes convinced that Qi Sile is his mother, leading Song Haoyu to propose to her.
Song Haoyu's proposal leaves Qi Sile feeling insulted. Li Xin pretends to be Hao Jun's fiancée to help him out of an awkward situation. Qi Sile is hospitalized after a pollen allergy attack.
Li Xin asks Qi Sile to help her on a blind date, but Song Haoyu intervenes. After Qi Sile is terminated from her contract, she has an emotional breakdown and is mocked by Tong Luoqi, leading to yet another misunderstanding with Song Haoyu.
Qi Sile's company goes bankrupt. When Xuanxuan's condition turns critical, Song Enmao willingly gives up a surgery slot. Qi Sile then proposes to Song Haoyu.
Song Haoyu and Qi Sile register their marriage. Qi Sile moves into the Song household to begin a new life together, and the two start their "public display of affection" mode.
Song Haoyu wins Li Xin's approval with a string of romantic words, but Hao Jun senses something is off. Qi Sile sees through it all, realizing that everything Song Haoyu has done is only for the sake of the children and his grandpa.
Qi Sile kisses Song Haoyu to declare her claim over him. Meanwhile, Qi Sile's parents confront their daughter for hiding her marriage.
Qi Sile's parents question Song Haoyu, while Chenchen firmly insists that he only recognizes Qi Sile as his mother. Li Xin mistakenly takes Hao Jun for her fiancé. After reading the letter, Qi Sile is moved to tears and reconciles with her father.
Song Haoyu moves Qi Sile with a custom-made wedding ring. By accident, Qi Sile overhears Song Haoyu's innermost thoughts, leaving her heartbroken but silent. On the day of Xuanxuan's surgery, Song Haoyu returns just in time to give his support.
Xuanxuan's surgery is a success, and the family's bond grows even stronger. Qi Sile looks for a job in the jewelry industry but faces repeated setbacks because of Song Haoyu, and in the end, she accidentally ends up at Tong Luoqi's store.
Qi Sile comes under pressure from Tong Luoqi. Song Haoyu tries to recruit Qin Tian but is turned down, only to witness his wife's interactions with Qin Tian and become consumed by jealousy. Li Xin, still wounded from past love, rejects Hao Jun's confession.
Qin Tian approaches Qi Sile to buy jewelry, stirring Song Haoyu's jealousy. When workers cause a disturbance over unpaid wages, Qi Sile steps forward to protect her husband, but is attacked. Song Haoyu is injured while saving her.
Qi Sile uses alcohol to test Song Haoyu, but ends up drunkenly confessing her feelings instead, only to regret it when she sobers up. Hao Jun faces repeated setbacks in pursuing Li Xin. Qi Sile meets the requirements and secures her full-time position.
Heartbroken, Qi Sile returns to her hometown to honor her late sister, and Song Haoyu follows her to confess his feelings. Hao Jun and Li Xin quarrel out of spite. Song Haoyu's former love, Jin Xichen, returns to the country.
Hao Jun sets a trap to provoke Li Xin, but ends up being given the cold shoulder. The relationship between Song Haoyu and Qi Sile grows closer. Song Haoyu learns that Qin Tian has signed Jin Xichen as a brand ambassador, and Hao Jun takes the initiative to handle the partnership.
Li Xin visits the ailing Hao Jun, easing the tension between them. Jin Xichen tries to approach Chenchen but is met with indifference. Qi Sile is promoted to designer.
Jin Xichen brings up Chenchen in front of Song Haoyu, prompting Qi Sile to assert her identity as his wife. After getting drunk, Qi Sile is taken home by Song Haoyu. Jin Xichen attempts to win Song Haoyu back but is rejected.
Hao Jun helps Li Xin come to terms with her past by confronting her ex-fiancé and demanding an explanation from him. They then acknowledge their feelings for each other. Song Haoyu and Qi Sile open up about Chenchen's and Xuanxuan's identities.
Qi Sile and Tong Luoqi become closer. Qi Sile encourages Song Haoyu to star on a reality show with Jin Xichen.
