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.

Pertsa and Kilu are two neighbour boys with different backgrounds. They live adventurous life of a young imaginary mind in small harbour town. Accidentally they get involved in a bank robbery. Through their own investigation of the case, imagination and real danger gets mixed and leads to great adventure where friendship and courage is on stake.