Sonja Ek is living a happy and loveful life with her husband and her three children in a suburb outside of Stockholm. Everything changes one day as Sonja is forced to enter the criminal world in order to protect her children.

The family is staying at the hospital. Stein is pressed on information regarding the shooting of one of Broman's men. The police conducts a search at the family's house.

Sonja tries to figure out who the Major is. Stein searches for the missing cocaine. Niklas wants Sonja to take care of the Company while he's in jail. Broman demands money from Stein for the stolen cocaine. Linus gets a puppy from Anders.

Barry is at Stein's to get the money, but when Stein doesn't have enough he takes their paintings instead. Lukas watches over the children and Gustav gets a visit from Jill and they end up taking Ecstasy together.

Sonja continues the search for the Major. The police tell Niklas that Sonja is hanging out with Broman. Sonja's search leads her to Norway. Kattis persuades Sonja to go out and celebrate Hanna's birthday at Broman's restaurant.

Nina is missing. Has she ran away or has she been kidnapped? Sonja has told Lukas about what Stein has done and Lukas goes to see him. Broman suspects that Sonja knows who the Major is.

The police have started to watch Sonja 24 hours a day, they know she is hiding things. Sonja and Magdalena manage to fool the police. Kattis puts both Sonja and Stein against the wall. Linus begins to remember.

It's a funeral. Linus remembers more and more and wants to tell Sonja. Kattis gets a bad feeling about who is responsible for the bomb. Sonja begins to realise that Niklas has been lying to her and understands more and more how everything is connected.

Sonja and the children are back in Sweden with protected identities. The main witness against Sonja's brother Niklas is brutally murdered. Will she be forced to testify? Their father Anders receives a heavy message.

Word of Sonja's return spreads, with consequences for her new life. As the hunt for her continues, Inspector Emil Svensson issues an ultimatum.

Niklas is released, but pressured hard by Barry. Anders tries to find out who attacked his daughter. Sonja starts working for John again, but one day she stops by the marina.

Nina and Sonja's relationship deteriorates. Sonja finds out who is behind the attempts on her life. Niklas does drug deals and ends up in danger.

While Hanna is in labour, Niklas has disappeared without a trace. Sonja forgets Linus' birthday. Barry tries once again to get his hands on the club Rose.

Dark clouds are gathering. Hanna feels very bad mentally after giving birth. Sonja is frantically searching for Niklas.

Emil pressures Sonja about an unexpected find in the marina. Anders is released in an ankle bracelet. Nina gets unexpected help, and Lukas makes a crucial decision.

Sonja is released and reunited with her sons. An unwelcome guest turns up at the memorial service. Drug lord Pinto Rosales issues an ultimatum. Sonja goes on the offensive in the war against Östling.

Will the plan to free Simon Svart succeed? Sonja reunites with Nina and pays off the debt to Pinto Rosales, but the price is high. Östling fights back with force.

Barry and Sonja find themselves in an uneasy alliance against Östling, while Anders' health deteriorates. Lukas retaliates and Sonja embarks on a journey.