Thirteen-year-old Mila Malinov wakes up alone in the back of a cab. Arriving at the densely packed apartment block of zone 21, she makes her way to her room as the watchful eye of the global government hovers above in the form of monitor drones. Across the courtyard, another set of eyes watches her, a protective Mother. Her room is small, cubed, and very simplistic. In her ear, a voice keeps her company. Her father, Darko Malinov checks in. He speaks to her through an earpiece making sure she’s okay. The next day, Mila visits the local bartering station that’s at the end of the long alley that hugs her apartment block. Currency in this world has resorted back to bartering, swapping items for other items. Mila finds a group of interested buyers and swaps a capacitor for some food, all while her father guides her. That night, she shares a meal with her father via voice, wishing that he was there instead. As Mila sleeps, a figure sneaks up to her door making Mila nervous.

Tony is a studious kid who loves science and dreams of becoming a great scientist one day. His bedroom looks like a laboratory and he has deliberately named his lab mouse after Marie Curie, who developed the theory of radioactivity. Although he is just eight years old, Tony will participate in the National Science Fair with his own experiment. His neighbor Raya, who is also eight, is a student at the School of Dance and is rather naughty and mischievous. She often disturbs Tony and interrupts his concentration and his lab experiments, and she is a friend of Stefan, a bully who is several years older than her. Raya wants to help Stefan pass his math test, but Tony refuses to cooperate, and as a result of that Marie Curie is kidnapped. To get her back, Tony has to face new challenges. The annual ballet production at the school is ruined and fails gloriously, however, a new friendship blossoms.

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.

An American action star from the 90's is shooting a movie in Bulgaria, while three of his (now grown up) fans try to meet their childhood idol. After a series of bad decisions, the three fans are between the Russian mafia, huge amount of drugs, and huge debt. So they decide to rob the Hollywood production which their childhood idol is shooting.