The thief Mysterious Joker doesn't just steal things. An audacious and elusive miracle-maker, he travels the world searching for treasure with his partner and cook Hachi. As they circle the globe, they must avoid traps set by the police and compete in various competitions to reach their final goal, the Timeslip Treasure.

Unable to hear, speak, or wield a sword, Prince Bojji doesn’t seem like a typical heir to the throne—and his kingdom agrees. But his fateful encounter with Kage, a shadow on the ground, gives him his first true friend. The two set off on a grand adventure and, together, form a bond that can overcome any obstacle...even being king.

The anime centers on the battles between the mysterious alien enemy Dark Spinner and the secret defense unit Earth Granner over Earth Energy, the energy generated from the Earth's rotation.

In the crime-ridden city of Gotham, Amanda Waller, the head of A.R.G.U.S., assembles a group of notorious criminals—Harley Quinn, Deadshot, Peacemaker, Clayface and King Shark—for a mission into an otherworldly realm that's connected to this world through a gate. It's a realm of swords and magic where orcs rampage and dragons rule the skies. Can Harley Quinn and her crew conquer this perilous realm?