In the Huangcheng orphanage, her sister Shen Nian fed the silent young man Lu Ye his first bite of food. From then on, he was the weeds and she was the heart - rooted in the mud, their lives intertwined.
He shielded her from the knife, and she took the blame for him and went to jail. We met again six years later. She was a public interest lawyer and he was an undercover detective. A dusty old pollution case plunged the two into the abyss again.
This time, it was him who reached out from the darkness: "Sister, I'm back."
The winter in the deserted city is too long, but there is always a heart beating in the ruins.