Mythical Pokémon Keldeo wishes to join the Swords of Justice, a group of Pokémon traveling around the world, helping out those in need. To do so he must first harness the power of his horn and learn the move Sacred Sword, and he decides to challenge Kyurem, a Legendary Dragon residing in an abandoned mine located within an icy crater. Confident as he is at first, it soon occurs to Keldeo that he is not yet ready for the fight.

Meanwhile, as Satoshi and his friends travel across the Unova region, they stumble across an injured Keldeo. At the same time, Kyurem goes on a rampage, drawing energy from other Legendary Pokémon and disturbing the balance of power in the entire region.

Now backed by his new friends, Keldeo must overcome his weaknesses and face Kyurem once again, now with the fate of the world at stake.

[Written by MAL Rewrite]

The homeland of the Genesect exists no more. After three hundred million years, the snowy mountains where the Paleozoic Pokemon once lived are no longer habitable — but not all of the race are actually extinct. Several specimens are still alive and desperate to find a new place to call home. Led by a Shiny Genesect and accompanied by the Legendary Pokemon Mewtwo, the vagabond creatures arrive in New Tork City.

Perceiving the city skyline as similar to their initial habitat, the Genesect take over the city center, driving out other Pokemon and threatening the existence of the local populace. On top of that, the Genesect leader confronts Mewtwo in a cunning, fast-paced duel that is bound to destroy the entire city – and it’s up to Satoshi and his companions to save the city and reconcile the feuding Pokemon.

[Written by MAL Rewrite]

The film's plot tells the story of how Satoshi and Pikachu came to know each other. Pikachu was not cooperative toward Satoshi, but Satoshi only wanted to be friends with Pikachu. On the day they set out from Masara Town, both of them saw a Ho-Oh flying and made a vow to someday go and meet it.

(Source: ANN, edited)

As Satoshi continues his journey to become a Pokémon Master, he travels to Fura City to attend the annual Wind Festival. Pumped up, Satoshi and Pikachu are determined to win the festival's Get Race. Meanwhile, Kagachi, a show-off and a habitual liar, joins the competition at the request of his niece Lily. Having almost no knowledge about Pokémon, he manages to strike a deal with a socially awkward scientist named Torito in exchange for help with his upcoming speech. Following Kagachi's victory, Satoshi meets Risa, an ex-regional track and field champion looking to catch a Pokémon. However, during Torito's speech, Team Rocket strikes and manages to steal a capsule from his lab.

Tragedy strikes one after another as the Wind Festival's Sacred Flame disappears! As they set off on a journey to find the culprit, Satoshi and the group meet many people on the way—including Zeraora, the Thunderclap Pokémon who was believed to be dead...

[Written by MAL Rewrite]