Two children get involved in the adventure as the bustling caretaker Mrs. Aaltoska and crime reporter "Hawkeye" Lipponen start chasing the mysterious criminal league.
The Helsinki siblings, gas station attendant Jukka and his little sister Irmeli, take in schoolchildren Kaarina and Seppo as subtenants due to a housing shortage. The children get involved in an adventure when the resolute caretaker's wife, Mrs. Aaltoska, and crime reporter "Hawkeye" Lipponen start chasing a mysterious criminal gang.—ratS