In the heart of a seemingly ordinary city, a bizarre and hilarious mystery unfolds in The Great Unknown. Directed by Jorma Taccone, this action-comedy throws a motley crew of locals into chaos when a strange, unexplained phenomenon begins to disrupt their daily lives. At the center of it all is a man played by Gustav Nezval, whose mundane existence is upended as he becomes an unlikely key to the escalating situation, joined by a sharp-witted neighbor portrayed by Marta Krásová and a determined journalist brought to life by Andrea ?underlíková.

As the peculiar events grow more intense and dangerous, this disparate group must band together, navigating a series of outrageous action set pieces and comedic misunderstandings. With a supporting cast including Ji?í Hrzán, Jana Preissová, and Eva Kratochvílová, the film blends slapstick humor with genuine thrills as the characters race to uncover the truth. Their quest pits them against both the absurd unknown and their own personal limitations, creating a whirlwind of chases, close calls, and laugh-out-loud moments in a battle to restore normalcy to their town.