Contract Killers

At dinner, Jane's husband collapses and dies, poisoned. She barely maintains consciousness as police and FBI arrive surrounding her house. She escapes and must try to find her would-be killers before they find her. Jane is a contract killer for the CIA with a non-official cover (a NOC). She quickly discovers discrepancies that lead her to believe she's a loose end in a rogue CIA operation. She heads for Trinidad, enlists the help of a tourist (at gunpoint), and enters a bank. Meanwhile, CIA operatives are on her trail, other government figures are involved, and a shadowy West Indian is following her too. Is there any way out?