Nome original: 深海利剑
Data de lançamento: 27 de julho de 2017
Série
Tempo médio: 45 minutos
Gêneros: Drama
Sinopse: To counter foreign submarine threats, the navy launches a secret plan to train elite officers for a next-generation submarine. A group of young recruits undergo intense training, transforming into skilled soldiers who take to the deep sea to protect national waters.