When Jan Mottl dies, he wants to give everything he owns to homeless dogs, but somewhere there are two children entitled to inherit over a million from their father. The tracks lead to the Czech Republic and Kattis Ahlström and Niklas Källner try to understand why Jan chose dogs over his family.

Who will inherit Clara Brown's valuable plots of land in Gothenburg's archipelago? Kattis Ahlström and Niklas Källner try to solve the mystery, which begins with a young, brave woman emigrating to England over 100 years ago.