A notorious assassin of the Clockwork Guild named Amelia receives an unexpected mission. Her task is to infiltrate the royal palace disguised as the Prince's knight and eliminate the deranged King Igor before he plunges the Kingdom of Ruthenia into a devastating war with their neighbor, the Kingdom of Veridion.From the moment Amelia and Ivan meet, their interactions are filled with disdain and animosity. But, gradually, kindness replaces hostility, understanding surpasses prejudice, and hate becomes love.However, as their feelings for each other intensify, so does the looming threat of war. As tensions begin to escalate, the two of them struggle to choose between their growing love and their unwavering duties.