The unforgettable story of a boy named Curio, who became a victim of a cruel experiment by two brother engineers.
When Curio passed by the old house, his older brother noticed him and began to prepare a trap for the boy.
While returning back, Curio heard a strange melody coming from the apartment on the second floor.

The boy had a lot of time and curiosity, so he found a way to get into this apartment. There he discovered some kind of device that looked like a very old game console. But Curio did not notice the most important thing, so the experiment is just beginning...