"One thought" is her persistence in her faith, and it is also his difficult choice on the edge of good and evil.
In Nanjing in 1941, neon lights and curfews divided the city into two worlds, and spies and military police created a bloody Shura field.
She is the willful and proud eldest daughter of the Su family, who awakened in the game of troubled times and became a lamplighter tempered in blood and fire;
He is a lonely man in troubled times who endures humiliation and burden. He is willing to put on the shackles and become a sober and degenerate person, watching the dawn in the darkness.
He maintained the fragile balance with his iron fist and used blood to pull her back from the edge of the cliff again and again.
And she crushed the thorns on the ground, used her faith as a torch, and ignited an eternal glimmer of light for him in the endless night.