The episode opens with a tense confrontation as a man attacks defenders who have challenged him and his master. Amid the chaos, a seemingly familiar beast—Thunderbird—appears, but it behaves strangely, as if a human is inside. The attacker reveals the beast is an evolving weapon meant to serve his country’s ambitions. When an assassin intervenes, the master is critically injured. Facing death, the creature resorts to devouring its master to heal him through parasitism, shocking onlookers and escalating the conflict. The episode ends with urgent calls to stop the beast now consuming its own master.