The main intrigue of the grand show, in which the most popular artists of the country participate, is who is hiding behind the mirrored wall and will become an unexpected duet partner for each participant? Until the very last moment, no one knows who they will have to sing a famous hit or a beloved song with. Anyone can become a duet partner - a legendary artist, a promising star, a fierce rival, a friend, a relative, or even a former love.
Everything is strictly confidential until the premiere itself, genuine emotions captivate the audience, and the voices in the duet sound with a special passion - this is how they sing when the dream suddenly comes true: to sing together with this mysterious performer.