After three elderly men are bitten by spiders, everyone assumes that their deaths are tragic accidents. But at police headquarters in Paris, Inspector Adamsberg begins to suspect that the case is far more complex than first appears.
In Paris, many citizens go to the precinct after the doors of their apartments have been sprayed with a 4 and the letters "clt". When a dweller is found mysteriously dead in his apartment, Detective Jean-Baptiste Adamsberg and his partner Danglard investigate...
