Boardgamegeek https://boardgamegeek.com/boardgameexpansion/272752/arkham-horror-card-game-clutches-chaos-mythos-pack
English - After your fateful investigation in Union and Disillusion, the state of the city continues to decay. Breaches in reality begin to rip through the fabric of the Earth, and a faint melody of discordant pipes can be heard throughout the streets of Arkham. Frightened citizens have sealed themselves in their homes, yet you continue to patrol the streets, desperate for some solution to end the chaos.