——We agreed to hide in hiding, but why do you appear exactly when I'm in danger every time?
--Coincide.
——Then it was also a coincidence that you abducted me back to your home?
——… I must have planned this for a long time.
The delicate eldest lady turns into an underground intelligence transmitter, and the cold-faced military commander hides his sincerity in resisting Japan. The two use their identities as celebrities and military officers as shields to secretly deliver intelligence and protect each other under the eyes of the Wang puppet and the Japanese army. The temptation at the birthday party, the fatal assassination in the alley, the trap of the military commander, and the layers of siege by the Japanese army. In the thrilling secret road, they can hide their identities and guard their hearts, but can they escape the ubiquitous surveillance, and can they escape the test of life and death in this troubled world?