1992, the start of a new era. Vadim, a 39-year-old Frenchman, hopes to uncover the truth about his origins in the Russian national archives. Tired of finding nothing, he decides to go east in the footsteps of this unknown father. With for only traveling companion a sound recorder which allows him to capture the sounds and silences of nature, Vadim then begins a long journey, punctuated by chances and encounters, through the expanses of eastern Siberia, from the polar regions. from the Chukchi to the Sea of ​​Japan.