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.
1929
1957
2024
1988
2019
1939
2017
2000
2012
2005
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2020
2022
1968
2016
