Ash, Pikachu and his friends try and stop a pair of thieves hiding out in the canals and alleyways of Alto Mare, the age-old water capital. Joining the adventure are two new legendary Pokémon, a pair of siblings named Latias and Latios, who serve as peacekeepers and protectors of the Soul Dew – a priceless treasure with a mysterious power.

A Canadian craftsman and an American designer with a father and son generation gap collaborate to revive the ancient Japanese woodcut using pop-culture icons: Mario and Pokémon.