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.
2019
2012
1967
2014
2020
1941
1929
2017
1991
2013
2016
1978
2004
2023
2005
