Ash, Iris, Cilan and Bianca are on their way to Nimbasa City. Axew encounters an Emolga that had just stolen a bunch of apples from a group of Patrat.

Continuing to Nimbasa City, Ash and friends suddenly find themselves caught in the rain. They notice a mansion nearby and go inside hoping to seek shelter from the rain. However, things are not as they seem. Soon a group of Litwick begin tormenting them and cause havoc.