S1 · E1
Watch Closed Area together — synced playback, live chat and reactions. Up to 12 people.
In 2008, Xu Zheng is caught in a high-stakes game of love, trust, and betrayal when he must use a revolutionary cancer vaccine to save his kidnapped father, while rivalries between Yu Zhenglong and Chen Wanli spiral into a deadly conflict that drags everyone toward a hidden, perilous truth.