Jason Bourne (Matt Damon) was rescued from the sea in Italy. He lost his memory and had no way to prove his identity except for his Swiss bank account number on his hip. Jason finds a large amount of cash, six passports, and a gun from a Swiss bank. At the same time, he discovers his abilities in fighting, firearms, and language. He begins to trace his identity and involves the strange woman Mary (Franca Potante). The two men were hunted down by a mysterious assassin organization along the way from Switzerland to Paris, and were in full danger. Can Jason save the day and find his true identity? Does he have the courage to face the truth?