In Ryu, a rebel is captured by Gang, an agent of the totalitarian regime. He tortures her to extract information.

On the day of the interrogation, an explosion puts them both into a coma.

Koe wakes up with no memory of who she is or what she was doing.

Gang Qin is hunted by his former superiors who believe him to be a traitor.

By chance, they meet again and must help each other to survive.

But Koe is unaware that she is a resistance fighter, and that Gang is her torturer...

What will happen when they discover the truth about themselves and the world around them? Will their love be the key to freeing humanity... or condemning it?