As the new season of this totally re-imagined show opens, Martin Odum is a fugitive, hiding out in present day London and wanted by the FBI for a crime he did not commit. He can't remember his life prior to an injury he …

海伦（琳德西·冯塞卡 Lyndsy Fonseca 饰）是一名科学家。一天，她接到了一通来自自己的神秘电话，随即便深陷于危险之中。迫不得已之下，她不得不闯入一个高度机密的设施并穿越时空回到过去，阻止一场谋杀。