As part of a desperate battle to save an imperiled twenty-fourth-century Earth, four teenagers from the planet’s past join forces on a mission to the edge of the solar system to a small scientific base overrun with cute but dangerous alien pests.

As part of a desperate battle to save an imperiled twenty-fourth-century Earth, four teenagers from the planet’s past join forces on a mission to the edge of the solar system to a small scientific base overrun with cute but dangerous alien pests.