Our poor planet as always capture aliens. Where did they come - nobody knowsprobably from a parallel world! The aliens use human bodies as a shell to materialize in our world, where people are choosing somehow disappointed in life. But it is not so easy to take over our planet! As always there are people opposing the alien invaders. In this case, one adult and adolescent either four, or children.As it turns out, they belong to the genus keepers themselves can not be used as a shell for newcomers incarnation. To combat the invaders used oddly cell phones located in a special way, they offer a portal where and send the invaders. The struggle is protracted,as the keepers were not in the first generation.