As a child, Hans Peter was placed in an orphanage and lost contact with his biological family. Now host Mette Frisk and archivist Adam Jon Kronegh are looking for his closest relatives, because they have the right to his inheritance. But it is a bit of a mystery who is Hans Peter's father.

When Boris dies, he leaves a will which states that his Russian family will inherit him. Boris's mother originates from Siberia, but in the National Archives there is no immediate trace of the Russian family. Until suddenly there is a connection to a high-ranking man in Russia.

Jørgen is just three years old when his father leaves the family without warning. Now - many years later - host Mette Frisk and archivist Adam Jon Kronegh must find Jørgen's heirs. It turns out that the father has been living a secret life. So when Jørgen's inheritance is to be distributed, there are several people in for a surprise.

Ernst never got to see his father, who died in the shelling of the Shell House during the Second World War. But the question is whether his father or mother have had other children who can inherit Ernst, now that he has died without having started a family himself. Host Mette Frisk and archivist Adam Jon Kronegh go in search of Ernst's heirs.

Thomas dies aged 66 and rumor has it that he leaves behind a half-sister who can inherit him. But she is not to be found in the Danish archives. Host Mette Frisk and archivist Adam Jon Kronegh have to go back to their after-school friends and go abroad in search of "The Unknown Sister".