He doesn't know how to draw portraits, he only knows how to draw hearts.
Jiang Nan can reconstruct how a person became a murderer through traces of his life - every evil person was once a wounded child.
Until he discovered that the person he wanted to understand most was his mentor who committed suicide fifteen years ago.
"Understand me and understand people's hearts."
But when the truth is revealed, he must answer the ultimate question:
After understanding all the difficulties of a person, can I still lift the knife called justice?
——5 Million words, six stages, twenty-one cases, asking only one question: Does understanding someone mean forgiving someone?