Michael, introduced as Jerry’s brother, embarks on a seafaring journey with his master. Along the way, he encounters new environments and people, struggling between loyalty and instinct. Despite the hardships of life at sea, he builds a strong bond of trust with his master, but challenges and crises begin to arise. Facing the threat of losing his master, Michael must rely on his abilities to survive. Through complex relationships with humans, he grows and starts to understand the world in his own way. As the conflicts intensify, Michael reaches a pivotal moment that will change his fate.