Evan McCauley has skills he never learned and memories of places he has never visited. Self-medicated and on the brink of a mental breakdown, a secret group that call themselves “Infinites” come to his rescue, revealing that his memories are real.

Carrie Mathison is back in the US on the streets of New York, fighting for the protection of civil liberties and against the abuse of power within our government. She remains in opposition with Saul, who is still with the CIA.

《国土安全》第五季的故事将发生在柏林，时间是前一季的两年半之后，Carrie Mathison不再是情报员，而是为一家私营安保企业工作。新一季将在德国柏林拍摄，并定于2015年10月4日播出。 The fifth season will take place two and a half years after the previous season and will be set in Berlin with Carrie Mathison no longer an intelligence officer and working for a private security firm. The season will film in Berlin, Germany, and is scheduled to premiere on October 4, 2015.

Carrie's career at the CIA takes off when she becomes an overseas station chief in a highly volatile region, but every drone strike and tactical raid comes at a cost and she quickly learns the true price of power. Saul fights to stay in the intelligence game.

Carrie goes to extraordinary lengths to solve the latest crisis at the CIA while dealing with a deeply personal secret. Brody struggles to survive. Saul must walk a tightrope and play many opposing sides to keep his job at the CIA and try to revive his troubled marriage. Quinn has a crisis of faith.

Carrie continues her hunt for terrorist leader Abu Nazir while maintaining a complicated relationship with Brody that straddles the line between personal and professional. Brody is forced to work more closely with the CIA. Jessica Brody struggles to keep her family in tact despite increasing difficulty connecting with her husband. Saul discovers a clandestine plot.