One day you will come back

Fiona Barclay, a child prodigy mathematician who has had great academic success, but who has had little social life until she turns twenty, meets the man who she believes is the one for her. Things go well until he goes back to Tanzania to continue his researches at the Olduvai Gorge. Something goes terribly awry and she believes she has lost the love of her life. Will she be able to recover from this and move forward with her life, or will she be haunted by memories for the rest of her life?