Shanghai is a city that never sleeps. Some people live and die drunkenly under the neon lights, while others wake up and die in the shadows.
The last message he sent was in clear code.
"It's almost dawn." - This is a farewell to the organization.
The real confession was hidden behind an "invalid" piece of intelligence that was destroyed by the enemy's core three hours before his sacrifice. It was the only private message left behind using the chemical stenography technique she taught him: "Qing, go home."
For seventy years, Su Languang has always thought that the last words he left to the world were about dawn.
It wasn't until grandson Lu Xi was repairing a file that had been burned by fire that he saw under ultraviolet light the only words his grandfather said to his grandmother over half a century: "Go home."