A young man receives a series of letters engraved with the symbol of a snake eating its own tail. Inside them are an impossible photograph, a key and the name of a street. To reach the end of the mystery, he will first have to discover its origin.
2022
2020
1969
1963
2017
2000
2014
2021
1915
2018
1968
2016
1946
2010
1958
