Every day, Wilhelmina Wannamaker is surrounded by the most powerful, wealthy, and glamorous people in the world, and they all ignore her. As the official President's Exterminator, in charge of pest control for the White House and the USA, "Willie" is mocked as a "bug hunter" by the Secret Service agents who work in the Oval Office alongside her. Willie dreams of seeing even a fraction of the respect and admiration everyone else in Washington DC seems to enjoy except her.

Superhuman smokeshow Agent Alpha is a recent transfer to the Secret Service. Once an elite trainer for Special Ops, his job was preparing civilians for dangerous military and space work. When a crew of his trainees was killed in a spaceship explosion, Alpha was stripped of his training position and became a bodyguard in the Oval Office. Now, he's just a chiseled brooding warrior with massive biceps and a haunted past. Also, recently single.

When humanity is threatened by a gigantic indestructible space monster that eats fishing boats, a loophole in the US Constitution reveals that the task of destroying the creature falls to Wilhelmina, The President's Exterminator. The president offers Alpha a chance to redeem himself and get his old job back by training Willie to lead a military-level pest control operation on a battleship. The catch: Alpha must not reveal the fate of his last trainees to Willie.

As Willie and Alpha wage a brain-boggling bombastic battle for the fate of humanity packed with twists, terror, thrills, and tenacity, will their growing camaraderie and grudging respect evolve into passion? Or will their dark obsessions, insecurities, and secrets conquer them both and doom the human race?