In the fourth season, the world is on the brink of collapse. Victoria Neuman is closer to the position of the President of the United States than ever before and is subject to strong suppression from the people of her homeland who are consolidating power. Butcher only had a few months left in his life, losing Becca's son and his job as captain of the Black Robe Guard. The team members have had enough of his lies. The risks faced by everyone are greater than before, and they must find a way to cooperate and save the world before it is too late.

在第四季中，世界正處於崩潰的邊緣。 Victoria Neuman比以往任何時候都更接近美國總統的位置，並受到正在鞏固權力的祖國人的有力壓制。 Butcher只剩下幾個月的生命，他失去了Becca的兒子，也失去了他作為黑袍糾察隊隊長的工作。 隊員們都受夠了他的謊言。 眾人面臨的風險勝過以往，他們必須找到一種合作的管道，在為時已晚之前拯救世界。