Completely disillusioned and weary, Sally Wentworth a passionate Art Historian and writer is rejected by her boyfriend, lost her job and is denied publishing her book. She has a strange encounter with Pierre de Prince an artist and inventor of the 18th century who asks her to disclose the murderers responsible for his disappearance. She is to get in touch with Ambrose de Prince his grandson, who has been given a mysterious box that would reveal who the murderers are. Unknown to Sally, she does not realize that Ambrose is in the year 2009, when she corresponds with him in 2013. The two must work out their time difference before the murderers of Pierre de Prince carry out their dastardly act to silence them.