Synopsis: A subway ride on a rainy night is where it all begins.
Shen Ji, still burdened by unfinished business, falls into an endless corridor built from rules and resentment.
He is used to silence, skilled at observation, trusts no one, and expects no salvation.
But the arrival of Wen Wan brings warmth to a world of cold, merciless rules.
Together, they survive countless terrifying trials, protecting each other on the brink of death.
Growth, bonds, glimmers of light, hope...
Every bit of warmth is only a gentle lie spun by the corridor.
When the final trial ends, one person is sacrificed, and another survives alone.
He escapes the corridor and returns to the human world, but leaves his heart forever in that silent prison of rules.
He will guard the silence for the rest of his life, with no hope of return.