Young detective Lu Zhan investigates the murder case at the pier and comes face to face with the underworld rookie "Xiao Lin". He didn't know that this man with sharp eyes was actually undercover police officer Lin Xiao, who was trapped in the deadly whirlpool of the Changrong Group. When a corpse holding a police badge implicates the mystery of the disappearance of the undercover "Falcon" three years ago, the two are forced to join forces in the cracks of black and white.
In the maze of disguises, gunfire, and lies, the shadow of the multinational pharmaceutical company's "foundation" quietly looms. From urban docks to rainforest bases, from polar ice sheets to deep sea islands, they walk on the blade of betrayal and trust. When the ultimate AI starts the countdown to cleanse mankind, the pair of travelers, who wander between light and darkness, must risk everything to hold on to the last fire before the dawn of the world.
This is a story about masks, sacrifice and belief in desperate situations - even if the night is endless, there are always people willing to hold a lamp for each other.
