Jarek Ostravski is a miner like any other. But when one of the tunnels in the mine collapses and he rescues many of his friends from the rubble, he becomes a hero and his life is suddenly turned upside down. He is promoted from the mine to the office by the company management to look after the miners, he comes under the scrutiny of the media, his family, and friends, but above all, his popularity with women multiplies. But who could have guessed how it all really is... This new Czech comedy film, following in the footsteps of the best titles in this area of Czech filmmaking, "Ostravak Ostravski," was loosely based on the idea of a legendary blogger and his seven bestselling books entitled Deniky Ostravaka.

Two young men, indistinguishably alike, decide to swap. But with one a popular singer and the other a car mechanic, fitting into their new "life roles" is not easy. They experience more than one humorous situation and cause confusion. And how did it all start? Popular singer Vaclav Dubsky goes with his friend to meet his female fans. In a village inn, where he stops for lunch, he meets his perfect double - Joska, a car mechanic. Who wouldn't want to take advantage of this resemblance? Especially for the tired and bored Vasek, it's an opportunity to enjoy anonymity at least for a while. And so the young men swap...