In the aftermath of Justice League: War, the world is at peace or so it seems. When Atlantis attacks the Metropolis for the death of their king. But the Queen has different plans and requires the Justice League to find her lost son. But while they search for him, Atlantian troops; led by Ocean Master, continue their assault. Who will win?

A young woman is found strangled in a hotel room. The investigation leads Beck and Gunvald to Stureplan, Stockholm's nightlife and its downsides.

When a contract killer (Steven Seagal) encounters a girl on the run from a mob boss (Vinnie Jones) with powerful political ties, he is torn between protecting the girl, and remaining loyal to the government agency that hired him for the mission.