Underworld

Hostile aliens are invading Earth, but no one's listening.

Jas Harrington, chief security officer of the starship, Galathea, has returned to Earth after defeating the aliens called Shadows, only to find they're invading her home planet.

Everywhere she turns, the aliens are walking among Earth's population unnoticed. They've infiltrated the government and they're building Shadow traps, ready to launch a full-scale assault.

As Jas tries to find a way to stop the alien invasion, she stumbles acro...