Special soldier Lin Zhan and his life-and-death brother Chen Feng were accidentally involved in the conspiracy of "twin sisters" Su Wan and Su Yao during an anti-terrorism mission, and discovered that behind it was an AI runaway plan caused by a system bug. The two brothers work together to solve the mystery, face the psychological game and life-and-death duel of the yandere villain "Shadow", and ultimately sacrifice themselves to protect their comrades and the country.
