In the vast and treacherous ocean world, six adventurers with different backgrounds boarded a boat together, carrying their own dreams and secrets, and embarked on a journey to pursue the legendary "Heart of the Star Sea". In their humorous adventures, they experienced strange islands, huge waves, strange sea monsters, and political whirlpools. There were not only moments of life and death in which they worked together, but also warm and touching expressions of friendship. The multi-line story promotes the characters to heal and grow from each other in difficult situations, and finally use trust and bravery to resolve conflicts in the face of the ultimate crisis, completing self-salvation and dream realization.