FBI agent Gretchen Blair is on a flight to Washington D.C. when the man seated beside her makes an unusual offer. He explains that the plane they're on is about to be hijacked, and promises to pay her seventy-five million dollars if she can get him safely back on the ground. When a gang of professional thieves takes control of the plane, she realizes he isn't joking. Soon Gretchen finds herself caught in the middle of an elaborate mid-air heist, fighting to save the passengers while the thieves tear the plane apart, searching for the stolen loot hidden somewhere on board.

Alice is starting a new chapter in life by moving on from her highly stressful job as a hostage negotiator and putting more focus on her family. Suddenly, her world is turned upside down when her daughter is abducted with no demand for ransom. As Alice uses her expertise with abduction cases to do everything to find her daughter, she discovers the kidnapper has a personal vendetta against her husband Brent with malicious consequences

Julie introduces her single father, Peter, to the world of online dating. When Peter meets Alexis, it's love at first sight. But as Julie and Alexis get to know each other, she begins to learn that Alexis might not be what she seems.