故事发生在一个架空的世界之中，这里被分为五个部分，人类所居住的地球、诸神的红色世界、理性与科学统治的白色世界、充满了魔法的黑色世界以及崇尚武力和战争的绿色世界。长久以来，五个世界相互制约抗衡，形成了微妙的平衡，然而一场意外的发生让这五个世界都将面临着同一个结局——毁灭。 为了避免这恐怖的未来图景成为现实，拥有“Excceed能力”的少女们挺身而出，她们被送往名为青兰学院的学校之中，在这里接受训练和保护。率真耿直的彩城天音（田村由加莉 配音）、沉默寡言的苍月纱夜（寿美菜子 配音）、优雅高贵的阿尔玛利亚（原由实 配音），在校园里，这些命运相似的少女们相遇了。
王者峡谷居然出现了这样的事情！月夜下的凶残分尸，树林里的幽暗鬼影，千里追凶，抽丝剥茧，凶手就是他！背后的操控者是谁，波澜诡异的凶杀案所为何事，逗比无敌却又正义爆棚的峡谷重案组，将为你一一揭开谜底。
Courage the Cowardly Dog follows the story of the life of a little pink cowardly dog who was named Courage when he was found by Muriel. When he was a baby, one of his vet appointments ended being the last time he saw his dog parents. During that day, while the yet made baby Courage wait in the waiting room, he sent his parents up into space. Then Courage ended up on the streets. Afterwards, a lady named Muriel found Courage and took him home to her home in the middle of Nowhere, Kansas, with her mean, rude, and cranky husband, Eustace Bagge. Courage is always on the watch since creepy, scary, and paranormal events happen in Nowhere, but Courage is always ready to save Muriel and kick some villain, monster, alien, or zombie butts! GO COURAGE! Written by CourageBagge {courage1999@bellsouth.net}
