Mysterious holes in the ground appear during the night, causing Oliver's bicycle to be destroyed. Who made these holes and why? The child detectives Tiril and Oliver will have to be as smart as Sherlock Holmes to find out.
as Tiril
as Oliver
as Bestefar
as Onkel
as Presten
as Josef Scott
as Ida
as Anna
as Gullsmed Holm
as Blomsterhandler
as Skuespiller
as Produsent
