It’s summer vacation and Mia, Grete and Sarah are taking full advantage of their last break before adult responsibilities come knocking on their door. The perfect time to get some sun, meet new faces, mess around with dating apps, and experiment. Unfortunately for Mia, this doesn’t last long as her enjoyment is threatened when her childhood best friend becomes more interested in people her own age. They meet Dr. Mindfulness, an app developer with an inflated sense of self, who introduces the women to his mindfulness app. However, when the app begins to cause changes in the women's body chemistry, and a mysterious connection to the Tallinn zoo comes to light, they quickly realize that there may be such a thing as too much fun!