The Tesla case is a contemporary story about the adventures of the ten-year-old Tony and Raya, who have become friends after the previous Curie case. As a promising young "inventor," Tony develops a wireless synthesis device inspired by eccentric scientist Nikola Tesla.  Tony strongly believes that his discovery will solve the global energy crisis. For his disappointment he had to go to camp with his classmates. He calls for a company his beloved girlfriend and neighbor Raya, who gladly welcomes her because she is once again abandoned by her eternally traveling parents.  Surviving nature will not be the only obstacle that Tony expects to be. Chief of local scouts, Victor, is jealous of Tony, decides to break his scientific experiments and win the heart of Paradise as she unfolds the mystery of a mysterious werewolf wandering in the woods.