In 1941, in the dark night of the occupied Shanghai area, a silent war was going on. Chen Mo, the ace agent of the military reunification, "Night Owl", was ordered to sneak into the top levels of Wang Puppet Government and obtain a piece of intelligence concerning the fate of the Kuomintang and the Communist Party. His ruthlessness and precision make his enemies fearful, but no one knows about the family blood feud he bears.
At the same time, underground party member "White Pigeon" Lin Wei lurks in the wealthy circles of Shanghai as an elegant dancer. Her mission is to get close to a Japanese officer who holds a key code book. When Ye Xiao and Bai Ge met unexpectedly during a mission, their fates became entangled.
The ticking of the telegraph echoed in the dark night, and each decoding could mean a choice between life and death. The addition of Su Wan, a female military agent, made the already intricate intelligence network even more confusing. Is she friend or foe? What secret is hidden behind her smile?
With the outbreak of the Southern Anhui Incident and the impact of the Pearl Harbor incident, the espionage war in Shanghai became intense. Night Owl and White Dove struggle between loyalty and love, revenge and redemption, while a larger conspiracy is emerging. When the final code was deciphered, who would have thought that the real "Dark Night Owls" were...
In this city full of lies and betrayal, everyone is a pawn and every word is a password. And victory often belongs to those who are best at pretending.