Marcus' father has become an angel, but is still playing a major part in Marcus' life.

Embla (11) and Adam (9) are detective partners who solve scary mysteries with their pets. However, the friendship is put at risk on a dark autumn night. Emblas track dog, Watson, comes home with Adam's rabbit in his mouth. The rabbit is dead! Embla must use all her cunning to save the friendship with Adam and at the same time save the dog from an uncertain fate.