Curious citizen Žygymantas, during an excursion in the dungeons, stumbles upon the relic hunter Teisutis, who has just unearthed a chest that should contain the treasure he was looking for so long ago. It turns out that there is no treasure in the chest, only a medallion with a strange inscription. Žygymantas helps Teisučius solve the riddle and unexpectedly summons the ghost of Barbora Radvilaitė. It turns out that Barbora's appearance may lead them to the Great Treasure of Lithuania, hidden in the dungeons of Mount Gediminas. Here begins an unpredictable and exciting journey full of adventure and laughter, where different characters get involved one after the other, also to find the mysterious treasure. But as they get closer to their destination, everyone sees something that no one could have expected...

Julius Žalakevičius
as Žygimantas

Karina Stungytė
as Barbora Radvilaitė

Naglis Bierancas
as Teisutis

Ramūnas Rudokas
as Tėvų tėvas

Marius Repšys
as Policininkas

Sergej Severjanov
as Policininkas

Saulius Baltrūnas
as Vienuolių vienuolis

Sonata Visockaitė
as Vienuolė Katažina

Neringa Varnelytė
as Prezidentė

Sandra Daukšaitė-Petrulėnė
as Žinių pranešėja