The Beck group is called out to investigate the brutal murder of a man in his own house and Vilhelm, Beck's grandson, ends up being kidnapped.
Eva and David have a complicated mother-son relationship. They try to reach each other but do not quite know how. One problem is the language barrier, as David is deaf and Eva is not very good at sign language. After moving back to her country of birth, Eva comes to Sweden on a short visit, where she discovers what so many parents do throughout the lives of their offspring - your children never cease to surprise you.
When JW becomes a drug runner in order to maintain his double life, his fate becomes tied to two other men: Jorge, a fugitive on the run from both the Serbian mafia and the police, and mafia enforcer Mrado, who is on the hunt for Jorge.
JW is serving hard time in prison and struggling to get back on an honest path. There are glimmers of hope in his life – some venture capitalists are interested in a new piece of trading software he's developed, and while behind bars he's made peace with an old enemy. This all proves to be an illusion. On leave from prison, and back in contact with his former gang, JW learns that once you've walked in the shoes of a criminal there just may be no going back.
The story revolve around five couples of different generations. Their lives are woven together by coincidences but sometimes through very deliberate choices where the common driving force is the search for love.
National Security agent Fatima receives a tip that a terrorist attack against Sweden is in the planning stage. Meanwhile Sulle, a teenage girl in Stockholm, gets interested in her student assistant who opens doors to a new and fascinating world - the true path. Kalifat is a thriller about the intermingled fates of five young women who get caught up in the seducing and destroying force of religious fundamentalism.