"Homeland" season 5 will deliver a roller-coaster premiere and will once again take viewers to an international event that had a great impact on the US in the 21st century. The first episode titled "Separation Anxiety" will begin with a few unexpected twists for Carrie Mathison (Claire Danes), Peter Quinn (Rupert Friend) and Saul Berenson (Mandy Patinkin).

The former CIA case officer Mathison will try to adjust to her new life in Berlin and concentrate on her work as the head of security in a private security firm Düring Foundation. However, at one point, she will have to face her former colleagues Berenson and Quinn.

The official synopsis of episode 1 states that Danes' character will be thrust back into the world she left behind, but the trailer indicates that she will not have a fruitful meeting with her mentor.

In the two-minute, 32-second long sneak peek video, Mathison tells Berenson, "I know what you are doing. We will get good people hurt". But Patinkin's character does not seem to be impressed with her and asks, "What are you trying for?" and she replies, "I'm just trying to do good work".

The promotional clip also shows the former CIA officer being kidnapped by the terrorist. So the viewers can expect to see the character going through the toughest time of her life.

Teasing about her character, the 36-year-old actress said in an exclusive interview with The Daily Beast: "We find her at the start of the season settled into true domesticity and she is working for a benevolent billionaire. [But] she is still a deeply ambitious and patriotic person and might have to re-discover her calling".

In a similar vein, Rupert Friend said, "Carrie is ostensibly pretending to live a normal life, but I think there are cracks in that we'll see begin to appear".

To know more about "Homeland" season 5, fans can tune in to Showtime at 9pm on Sunday, 4 October.