The American TV series "The Strain" is adapted from the novel of the same name co-published by Guillermo del Toro and Chuck Hogan. Continuing the plot of the first season, in this season, the war between humans and vampires continues, "Blood Ancestor" The Master continues to implement his evil plan, and the virus has spread across the United States. The survivors not only have to fight against the villains, but also continue to find a way to cure the virus. It is reported that the original character "Quinlan" will appear, and the captain of the Bloodline Commando in the first season is not the real Quinlan.