He is the coldest criminal investigation instructor in the police station. He comes from a wealthy family and lives alone in a villa. He is not good at words but observes everything.
He is the most brilliant student in the police academy. He grew up in an orphanage and lives in a storage room to save money. There is an unknown past hidden behind his smile.
Xie Ailun and Yan Xihan met over a cup of coffee, got closer over a class, and became deeply bonded over the same roof.
They went from instructors and students to roommates; from strangers who didn't bother each other, to partners who analyzed the case together late at night. In half a year, countless small daily routines - a meal, a cup of coffee, a reconciliation after a quarrel, a birthday cake - slowly brought two lonely hearts closer.
Until a piece of paper sent them into the real night.
The 730 anti-drug operation requires an outside couple to sneak into a drug den. The police academy selected them - because only they have the tacit understanding and trust that has been honed through getting along day and night.
In the name of a couple, they are actually undercover.
Under the drug lord's gaze, every look at each other is a test, and every hand-holding is a cover. But the pretense of intimacy gradually blurred the boundaries at the critical moment of life and death. He instinctively stood in front of him, holding on to him amidst the hail of bullets.
When disguise becomes reality, when comrades become lovers - no matter how deep the night is, it cannot block the light.
Intention: He "Dark Night" is not only an undercover novel, but also a long journey from stranger to symbiosis, from side by side to concentricity. About how trust is established, about how feelings sprout, about how two people become each other's only light in the darkness.