[2] Afterward, both he and his twin brother Märt enrolled in the Performing Arts Department of the Estonian Academy of Music and Theatre to study acting, graduating in 2012.
Pius' diploma production roles were as Tuomas in Aleksis Kivi's Seven Brothers, Gerry Evans in Brian Friel's Dancing at Lughnasa, and as Tom Canty in Mark Twain's The Prince and the Pauper.
Among his more memorable roles in theater were in works by such varied authors and playwrights as: Florian Zeller, Eduard Bornhöhe, Anton Chekhov, Duncan Macmillan, Otfried Preußler, Marina Carr, Ferenc Molnár, Richard Greenberg, A. H. Tammsaare, Molière, Neil Simon, and Peter Barnes.
The film is loosely based on the events of the Dyatlov Pass incident of 2 February 1959, where nine ski hikers mysteriously died in the northern Ural Mountains after establishing a camp on the slopes of Kholat Syakhl.
[14] Both Priit and Märt Pius have been diagnosed with Diabetes mellitus type 1 and speak openly about living with the condition in order to raise awareness of the illness.