Wen Ruo, a silly peasant girl who gets fat even if she drinks water, was sold by her adoptive parents to a charlatan artist for a penny and used as a prop. However, she was abandoned in the wilderness because she couldn't afford to support her and accidentally fell to death.
In her previous life, she was an old aunt with outstanding medical skills in the Department of Integrated Traditional Chinese and Western Medicine. After she died of drowning, she traveled through time and became a fat girl named Wen Ruo. She could not accept the huge gap between her previous life and her present life and sought death. After trying all kinds of death methods, when she was about to throw herself into the river, she rescued a handsome young man named Hua Yan who had a disabled leg.
They are both fallen people in the world. It turns out that they are both abandoned children of the royal family. After meeting, they support each other and work tirelessly to finally win the world.