After the rain, the begonia is translucent like rouge.

Gu Haitang came to Kunyang in search of her missing father. There, she crossed paths with Lang family's second son, Yue Xuan, and they became acquainted without realizing it. She started working in the Lang family's rouge workshop but was soon pursued by the eldest son, Yue Ming. The Lang family devised a scheme to trick her into marriage. When Haitang discovered she was married to the wrong person, she loathed Yue Xuan's deception. She promised the Lang family that she would help heal Yue Ming's disfigured face in exchange for a divorce. Yue Xuan, feeling guilty towards Haitang, confronts his true feelings and decides to pursue her again, leading to a love-hate relationship between them. When Yue Ming regains his looks, he turns to hatred due to love and not only takes away the management rights of 'Luolichun' but also tries to separate Yue Xuan and Haitang. Meanwhile, the truth about Haitang's father's real identity and disappearance, as well as Yue Xuan's background, comes to light, leading to deep emotional entanglements among the three. As all the mysteries are revealed, Yue Xuan and Haitang finally come together, and Yue Ming realizes his mistakes. In the end, everyone unites against national and familial grievances to work together and promote the national brand 'Luolichun', creating a remarkable story.