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.
1915
1970
2003
2024
2022
2002
2012
1917
2020
2019
2021
2005
2014
2007
2011
2016
2013
1950
2000
