Ace sniper VS top agent, pretending to be a lover, each step of the mission is thrilling and deeply rooted in love.

Revolutionary comrades are also lovers of life and death. They stand side by side in the undercurrent and interpret the meaning of revolution with their blood.

In 1940, ace sniper Tong Xue and top undercover Shen Shaochen were forced to pretend to be lovers and live together for an undercover mission.

On the surface, they appear to be a loving couple with talent and beauty, but in fact they are comrades-in-arms who have a perfect understanding of each other. They work together to resolve crises, pass on intelligence, snipe enemy agents, and complete difficult tasks on the edge of the gate of hell several times.In the light of swords and shadows, the disguised intimacy gradually becomes true, and temptation and protection are intertwined.

When the identity crisis approaches, can the two keep their faith in the enemy's nest, and also keep their quietly budding love?