Short video entrepreneur Chen Bo was killed and thrown into the sea after catching his wife and business partner in a liaison, accidentally reincarnating as a scarred carp and awakening the Spirit Carp Evolution System. Assisted by his childhood friend Ye Ming, he became a viral sensation across the internet in his identity as the Scarred Carp, continuously evolving and upgrading through attention, and defeating top ferocious fish one after another. Finally, he completed his ultimate evolution to take human form, cooperated with the police to bring the murderers to justice, and transitioned to dedicate himself to marine public welfare and legal popularization.