Undercurrents are surging in the world, and the line of poison doctors has become the coveted target of all forces because of its terrifying deadly poisons and medical skills of bringing people back to life. As a descendant of contemporary poison doctors, Mr. Xin appears to be cold and ruthless, but in fact he has unknown pain and perseverance in his heart. The appearance of the mysterious girl Ling'er broke his originally calm but hidden crisis life.
