When his parents died unexpectedly, Li Wanning shouldered the burden of raising his younger brother alone at the age of eighteen, struggling to make a living. In an accident, her soul transformed into Shen Mengning, the legitimate daughter of the Prime Minister's Mansion of Yun Kingdom.
The concubine Shen Yunxi had always been bullied and made things difficult for her by her original owner. She couldn't bear it anymore and secretly planned to cause her owner to fall into the water and die. But when Shen Mengning opened his eyes again, he was already a visitor from another world.
From testing each other to trusting each other, they become sisters. They work together to resist the disputes in the back house and the imperial power's schemes, and together they fight against the destined girl Liu Ruyan and the scumbag Li Yuan. They break away from their fate and rely on each other, redeem each other, and live to be each other's only light in a world where men are superior to women.
