Murder and deceit while making the world's biggest airliner. Evan McKenna has a difficult task; design the world's biggest airliner. But with planes crashing and coworkers dying, he wonders if he can ever make a safe plane. His wife, Kylee, believes that the crashes are suspicious, and she vows to prove murder. She joins Evan's company, uncovers well-buried secrets, and risks her life to reveal the truth. Meanwhile, a young and assertive French woman, Mireille Prudhomme, offers a partnership that proves irresistible. She provides Evan with money and passion to kickstart his schedule and his love life. Despite their conflicts, one fear seems overwhelming; what happens when an airliner, carrying over 600 passengers, goes out of control and heads for the ground?