Pokémon: The Mastermind of Mirage Pokémon

One day, Red, a boy filled with dreams of going on a Pokémon journey, is called to Professor Okido's lab. There, he and his rival Green are given a Pokédex in order to collect data on all of the Pokémon in the region. As Red works his way to become champion with his Charmander, he meets many people on his journey, including Old Man Fuji, a man who runs the home for abandoned Pokémon, and Reina, a girl who works there. As danger in Red's journey begins to peak, he and his partner Pokémon experience a transformation like never before...

A young boy named Satoshi embarks on a journey to become a "Pokémon Master" with his first Pokémon, Pikachu. Joining him on his travels are Takeshi, a girl-obsessed Rock Pokemon Trainer, and Kasumi, a tomboyish Water Pokémon Trainer who may have a crush on him. Satoshi and Co. end up traveling through various regions, including Kanto, the Orange Islands, and Johto, and then enter the Pokémon League competitions there. Along the way, they run into many confrontations with Musashi, Kojirou, and Nyarth, a trio of Pokémon thieves who are apart of an evil organization called "Team Rocket". But everytime Team Rocket try to do their evil deeds, they fail thanks to Satoshi and his Pokémon.

A greedy collector, Lawrence III, wants to capture the legendary Pokémon, Lugia. But in order to do so, he must capture the Titans of Fire, Ice, and Lightning. The titans are powerful bird-like Pokémon, and if they are disturbed they will wage a war against eachother which will ultimately result in earth's destruction. Ash, Misty, and Tracey get caught up in the situation when they end up being washed ashore onto Shamouti Island. Soon after, Ash meets a girl named Melody who sends him into a mission where he must collect the 3 Orbs which will quell the fighting, but first Ash must gain help from the Beast of the Sea, Lugia, if he's to succeed.

Mezase Pokémon Master celebrates the final chapter in Satoshi and Pikachu's story, with their first companions and many Pokémon they have met throughout their journeys making their return.