An apparently accidental military exercise mishap tears away the veil shrouding an international spy network. Special forces commander Lu Zhanting watches a comrade die amid the smoke and gunfire, only to discover a chilling conspiracy hidden in the bullet marks. Meanwhile, codebreaking expert Su Qingyuan senses a danger tied to the same source as the accident in an intercepted encrypted message. When a soldier’s steely edge meets a keen intellect, the two are forced to stand in the same trench and pursue the truth through a hail of bullets and a digital labyrinth. From desolate Gobi wastelands to bustling cities, from military exercise grounds to international borders, the enemy’s traps are already laid. Every step they take is a path forged in loyalty and life. When the ultimate truth comes to light, can they cut through the deadly vines entwining their country and its people with the force of their steel?