The case is "plum!" (Issue 3). Boy A.

Anemone rivulet, where the family of otter lives (dad-ravine, is torn off the first, second and third), completely dried up. And the otter is asking for help from a fluffy police. Of course, our bold friends immediately begin the investigation - where did the water from the river go? It turns out that Tortellini is to blame, the head of the animal gang! The latest water reserves are coming to an end, do friends have time to save the river?