After Operation Guzheng, detective Shi Qiang, who is suffering from leukemia, and scientist Wang Miao joined forces again because of the theft of nanomaterials.With in-depth investigation, the two discovered that this was not a simple theft, but a terrifying conspiracy set up by a mysterious organization to destroy the unity of mankind.

When they were close to the truth, Shi Qiang and Wang Miao had a huge rift due to their different ideas. In the end, the two settled their differences because of their firm trust in each other.They insist on the pursuit of truth and truth, break through the fog, and solve another crisis facing mankind.