It's the summer holiday, and Little Allan is home alone. But his older neighbor Helge will take care of him. Helge is fascinated by space, and it doesn't take long before Little Allan is pulled into Helge's plan to get in contact with aliens.

At a grisly murder scene sits a figurine made of chestnuts. From this creepy clue, two detectives hunt a killer linked to a politician's missing child.

Jørn is trying to get his father's attention and love. He loves music and this is where he finds joy and happiness, but his father struggles to see his talent. As an old man, Jørn discovers that the music can set him free from his past.

After Phillip Eppermint manages to evade a prison sentence in Thailand, Checkered Ninja comes alive and seeks out Alex. Together, with Alex and his entire family, they now have to go to Thailand to bust Eppermint.

Investigator Jan and profiler Louise constantly move around in the thrilling periphery of a murderer's view as they link a series of killings.