Far into the future, humanity is fighting a never-ending war against a tentacled alien race. Ensign Ledo is part of an attack to destroy a superweapon that the aliens are about to unleash. The battle doesn’t go as planned and Ledo is flung into a wormhole.
Chamber, the battle suit AI, wakes Ledo once his wounds have healed. Six months have passed since the battle. Chamber informs Ledo that they are on the planet known as Earth. Home of humanity and widely believed to be a myth.
Chamber then reveals that a group of primitive humans found them on the bottom of the ocean and took them back to their ship. Ledo must find a way to communicate with the humans if he has any hopes of getting back to the battle.
This is a bit of a mixed bag. It starts with an epic space battle with giant mecha and huge aliens with tentacles, claws, and teeth. Then Ensign Ledo unable to retreat with the others ends up on Earth, a water-covered planet. The locals survive on massive flotillas, which act as communities and cities. They speak a different language but Chamber is able to translate.
After that, there are some cool battles with pirates and thanks to Chamber and his superior technology they easily win. Too easily. The Earth humans are stunned by the ferocity with which Ledo and Chamber dispatched of the pirates.
The language barriers are a problem, but Chamber takes care of that. He can’t, however, do anything to bridge the cultural differences. That’s something that Ledo must learn on his own. It was fascinating to see the variances in the two societies, one focused on war and the other on survival and community.
As it progressed, the story became more and more complex. Dark secrets are revealed to Ledo that change his entire outlook on life and the wars he’s been involved in. This is a thoroughly entertaining series and has some cool science fiction elements. Gargantia on the Verdurous Planet is well worth watching.