Zoids are metallic life forms with the will to fight that inhabit the galaxy far away. The planet is coming to an end, and humanity aims for Earth as a second home, but due to the runaway Zoids factor and an accidental time warp, Zoids suddenly appear on Earth in the 21st century. The earth was destroyed once by the destruction of the Zoids and repeated tectonic movements. Leo sets out on an adventure with Sally, a girl who will determine the future of the Earth, with the Beast Liger he unearthed as his partner.