Picking up from the first season, Jun Guang and Yi Xuan are preparing for their wedding. But when a hostage rescue goes wrong, Jun Guang is left paralyzed—prompting Yi Xuan to walk away. Struggling with heartbreak and loss, Jun Guang must find the strength to move on. Meanwhile, his best friend Jing Yu is caught in a complicated love triangle with her fellow soldiers.

Elsewhere, Kim Po and Mei Guang celebrate the birth of their long-awaited child, only to face danger when terrorists hijack their yacht. As the Asian Financial Summit approaches, another major attack looms. With coordinated strikes shaking the nation, these soldiers must rise to the occasion to protect their country and the ones they love.