A young Start-up entrepreneur tries to start importing potato to 17th century Finland. The new class of bourgeoisie is emerging and shaking up the stagnant spirit of the era. But nobody believes in potato, and the Turnip-Sellers Guild decides to squash the disturbance caused by the young entrepreneurs. In the end, the bumpy road of potatoes grows into mythical proportions.

Sihja is a young, charming and a little outrageous fairy who leaves her home in the forest. On arrival in the city, she meets a sensitive new friend, a lonely human boy Alfred. Sihja loves the newly found organized urban shapes and orderly habits that the city people have. One day dead birds appear on the city streets. Alfred and Sihja must find out what is threatening the nature.