A Picture to Remember : Cambridge Readers Level 2

Christina, who works in an art gallery in Buenos Aires is waiting at the traffic lights on her motorbike. She notices two men with a gun in the car next to her. Seconds later she is hit by a taxi, and wakes up in hospital with no memory of the accident or the two men. However, the men are afraid of what might happen if her memory returns and plan to make sure it never does.