Explore the early lives of Gilthunder, Howzer, and Griamore as they harness their budding powers before assuming their roles as Holy Knights. These gifted youngsters must navigate their exceptional abilities to uphold justice and safeguard the kingdom's princesses. Watch as the trio of mischievous youths embarks on thrilling escapades, setting the stage for the grand saga of Seven Deadly Sins, filled with daring exploits and profound truths.