The Billionaire's Wife Stops Pretending

Winnie Wen has suffered long enough under the torment of her dysfunctional family. Upon learning that her father plans to sell her off in marriage to fund her brother's new house, she resolves to get married before he can succeed. She enlists her best friend to quickly set up a suitable blind date. Meanwhile, Yancy Qi is desperately searching for a psychologist for his son, who hasn't spoken since a traumatic car accident. Unexpectedly, his son breaks his silence the moment he sees Winnie Wen, running to her and calling her "Mom." At that very moment, Winnie Wen mistakes Yancy Qi for her blind date. When she expresses her urgent need to marry, Yancy Qi, seeing his son's miraculous recovery around her, swiftly agrees to the marriage. Thus begins an unexpected journey of love born out of a marriage of convenience.

Synopsis from DramaGo.