Upon meeting for the first time, undefeated street fighter Daimon, Masaru and renegade Digimon Agumon become friends in the most natural way possible for the knuckleheaded duo—by fighting their hearts out. The self-proclaimed ultimate team are recruited by a secret government organization called the Digimon Data Squad, or DATS, who had witnessed an unbelievable human fighting blow for blow with a Digimon. Their primary objective is investigating mysterious problems caused by Digimon entering the real world, and the world is currently in the midst of a crisis with Digimon appearing at an unprecedented rate. Embarking on various missions with DATS, Daimon and Agumon become colleagues with adolescent genius Touma Norstein and his Digimon partner Gaoman, along with the kind-hearted Yoshino Yoshi Fujeda and her Digimon partner Lalamon. As the group continues to investigate the rapid increase of Digimon in their world, a darker truth begins to surface, and it is up to Daimon, Agumon, and their friends to get to the bottom of things.

Digimon Tamers takes place in a world where the popular Digimon franchise is all the rage, consisting of a cartoon, video games, and the trading card game. Takato Matsuda is a huge Digimon fan that's particularly obsessed with the card game, and constantly daydreams about the universe therein. One day, he finds a mysterious blue card, which he slides through a scanner toy to use in the popular battle game. His toy suddenly glows and transforms into a Digivice, and Takato's fan-made design, Guilmon, materialises in front of him. Thrilled by the prospect of having a real-life Digimon, Takato embraces his new partner, and his adventures as a Digimon Tamer begin. Takato quickly discovers that being a Digimon Tamer is not all fun and games—in reality, it's much more dangerous than the card games he's accustomed to. Wild Digimon have begun to appear all across Japan, causing rampages that result in chaos and mayhem. Armed with his Digivice, which can scan trading cards to strengthen Guilmon, Takato and his new partner set out to combat the rogue Digimon. They are tasked with protecting the world from Digimon attacks, whilst a mysterious organization determined to eliminate all Digimon and their Tamers lurks in the shadows...

When a group of seven children go to summer camp, the last thing that they expect is snow falling in July. In the confusion that follows this phenomenon, they each receive an odd device that transports them to another world. As soon as they wake up in this new world, they encounter strange creatures who call themselves Digimon. The Digimon tell them that they've landed in the Digital World, far from home. With only the Digimon and the Digivices as protection, the seven children set off to find their way home and learn the reason why they were brought here. Led by the impulsive Taichi Yagami and his hungry Digimon partner Agumon, this group will have to fight unknown evils as they discover more about this outlandish Digital World.

The human world has been attacked by an unknown force. Using poisoned thorns, it has put all humans to sleep. Agumon, Gaomon and Lalamon are the only ones left to defeat this enemy. Guided by Rhythm, a young girl they saved, they learn that their enemy is called Argomon. But what can the three digimon do, when they can't even evolve. (Source: ANN)