Top drama star Fu Yunshen died in a car accident and was accidentally bound to the Best Actor System. He traveled through time and became the cowardly illegitimate son of the Gu family. He had to play the role of the innocent little white rabbit and attack his crazy brother Gu Ye. On the surface, he is timid and harmless, and I feel pity for him, but in fact, he is careful at every step and his acting skills are astonishing. Facing the possessive, paranoid and morbid Gu Ye, Fu Yunshen used disguise as a blade and gentleness as a shield to pull between temptations and counter-tests. He deftly resolves crises such as school bullying, criticism from wealthy families, and the involvement of love rivals, and uses his superb acting skills to stir the hearts of fans. As they get along better, Fu Yunshen struggles between the system's mission and his sincerity, and the fake show gradually turns into true love. Gu Ye went from being indifferent and controlling to being gentle, his pathological possession turned into extreme preference, his blackness value continued to decrease, and his favorability soared. A strategy that started with acting eventually turned into a two-way fall. Let's see how the actor's host tamed the crazy villain under the rules of the system and rewrote the fateful ending.