Jeremy Roberts is suddenly a stranger in his own body with no memory of his life. When he discovers he's entangled in an unsolved tragedy, he must mount a high-stakes investigation to rescue someone he can't remember.   Jeremy Roberts' life is reset one morning in Boston's Quincy Market when an inexplicable event leaves him a stranger in his own body. He quickly relearns his name and his place in the world, but can't explain the heavy feeling of grief that pervades every moment of his day.   Hiding his complete lack of memory about his life, he sets to work finding the source of his emotional anguish. Uncovering files from his own computer, he learns that a terrible tragedy has befallen his family and its mystery remains unsolved.   Calling on a crack private investigator and a computer security expert, Jeremy delves deep into the case. After piecing together a startling theory, he plunges into a daring plan to rescue a woman he can't remember... before it is too late.   JUMP is an edge-of-your seat thriller that will have you hooked until the very last page.