A team of young scuba divers recovered strange objects from the seabed - the keys to the mysterious all-powerful Labyrinth of the ancient alien civilization of the Troclemids. The labyrinth is a powerful network of tunnels in multidimensional space. Its possibilities are practically unlimited. The new holders of the keys, or Initiates as they call themselves, want only wealth and entertainment. However, the carefree lucky ones did not manage to remain unnoticed for long. Insiders became interested in sinister structures of various kinds - from state intelligence services to the mafia. In addition, it turns out that there were two Labyrinths...