1. Episode 1 : Old Letters

At the beginning of the century, in a provincial city, ten-year-old Sanya Grigoryev finds a bag of letters from the members of some sort of lost expedition. Following a surprising amount of coincidences, the search for traces of the expedition will be tied to his entire following life, and the one who will play the largest role in it, is the one whose fault it is that the expedition was lost…