In a small, unsuspecting town on Earth, a strange signal from outer space is picked up by an amateur radio enthusiast. The signal triggers curiosity and concern among a group of friends who decide to follow its trail, leading them to encounter Jan, an enigmatic wanderer from the distant Arkana Galaxy. Demonstrating otherworldly technology and knowledge, Jan quickly becomes both a fascination and a mystery. As the friends grow closer to Jan, they uncover his mission: to observe human behavior and determine whether Earth is ready to join a cosmic coalition. The group’s leader, a charismatic yet skeptical professor, struggles between belief and skepticism, igniting tension within the circle of friends. Meanwhile, local authorities become suspicious of the stranger's activities, unwittingly causing interference with Jan’s plans.

Amidst escalating tension and misunderstandings, Jan forms a special bond with Anna, a bright yet introspective young woman in search of purpose. Their friendship bridges the gap between two worlds but puts both at risk as external pressures mount. With time slipping away, the stakes become higher as Jan must find a way to complete his mission while keeping his identity hidden. Just as Jan believes he has found the answers he seeks, unexpected obstacles threaten both his departure and the future of the planet. Tensions reach a breaking point as humanity’s fate hangs in the balance, leaving the characters—human and alien alike—to reconsider their assumptions and their desires as they stand at the brink of an uncharted frontier.