发生在炎炎夏日的海边，为了争夺游戏场，在玩耍的皮卡丘们与喵喵们吵了起来，突然刮起一阵暴风雪将大家都吹散了。皮卡丘睁开眼时，发现同伴都不在身边，自己还置身于冰天雪地的世界里！为了能回到原来的地方，皮卡丘展开了大冒险。

Under the shining sun and clear blue sky, Pikachu and friends visits a beach to play! Excited, Piplup and Buizel start to test their speed in the ocean. Meanwhile, Meowth and its team bring the surf board saying "We are going to catch the Big Wave and become the Legend!" Trying to scramble for the play space, all the Pokemon get into a big fight! All of the sudden, a huge snowstorm blows everyone away from the play space. After the incident, Pikachu and friends wake up in a world of ice! Pikachu, Piplup and Meowth found themselves separated away from everyone by the snow storm. What was the cause of the storm? Can Pikachu and everybody come back to where they came from safely? Pikachu and friends' adventure begins in a world of ice!

Tout en jouant dans l'océan près d'une station balnéaire tropicale, Pikachu & Co. se disputent avec les Pokémon de la Team Rocket.