At the brink of death, Lu Chengyan comes to a realization and returns to his younger days. Determined to leave behind a lifetime of constant compromise, he sets out to pursue his engineering dream of working on the Nanzhou Port project. Facing an unbalanced marriage and the sacrifices of his past, he chooses to take responsibility for his own decisions. With his solid technical expertise, he passes the selection process and proves his worth through domestic equipment development and port construction. Along the way, he also helps those around him rediscover the meaning of responsibility, growth, and respect. Ultimately, through his actions, he regains his sense of self-worth and contributes to the development of domestically manufactured technology, demonstrating the dedication of a new generation of engineers.