Summer is a permanent state of mind in Limassol, a once small seaside town in Cyprus now transforming into the oligarch paradise of the Mediterranean. Within its asphyxiating environment, Tina, a depressed food stylist is ready to give up on everything on the day of her birthday, until an extraordinary encounter changes her life.

When mankind beams a radio signal into space, a reply comes from ‘Planet G’, in the form of several alien crafts that splash down in the waters off Hawaii. Lieutenant Alex Hopper is a weapons officer assigned to the USS John Paul Jones, part of an international naval coalition which becomes the world's last hope for survival as they engage the hostile alien force of unimaginable strength. While taking on the invaders, Hopper must also try to live up to the potential that his brother, and his fiancée's father—an Admiral—expect of him.