Overdo

In Republican-era Shanghai, Murong Qingyi, a warlord's son mistakenly switched at birth, endures years of abuse before Ren Susu changes his life. After falling in love, she fakes her death and disappears, only to return three years later as his brother's fiancée. As old wounds, betrayal, and political turmoil threaten them, the pair must confront their past and their feelings. (Summary by farhouse42)