Unstoppable (2004)

In a tale of turmoil and intrigue, the unhinged ex-military man and former CIA operative Dean Cage finds himself grappling with his haunting past while undergoing rehabilitation. Haunted by the tragic death of his close friend Scott in Bosnia, Dean's world takes a dangerous turn when a romantic dinner with Scott's sister and detective, Amy Knight, becomes a case of mistaken identity. Pulled into a web of deceit, Dean is unwittingly embroiled in a plot involving the theft of a top-secret military experiment known as EX. Injected with a mysterious substance and forcibly taken captive, Dean's life hangs in the balance as Amy races against the clock to recover the stolen antidote and rescue him within a tight six-hour window.