Su Mingyue fell in love with Gu Mingyuan in her previous life, which led to the destruction of her family. After her rebirth, she transformed into a revengeful blade. Amidst the undercurrent of intrigues in the court, she met Xiao Jingheng, who cared about her family and country. From the tentative confrontation when they first met, to the dependence on life and death when they shared adversities, the two worked together to expose the Gu family's treasonous conspiracy. After going through a bloody storm, they finally made a promise to stay together for the rest of their lives in Ten Miles of Red Makeup, composing a romantic legend of two-way redemption.