There are a lot of titles to choose from however we wanted to choose a title that is orgininal and reflect our storyline. We done some research on title ideas for thriller movies and some of the titles we found were: "the ring", "black swan" "the cell" and more. It took us a very long time to come up with a title but we decided to choose "shadow". We were going to say "stalker" however this was already used.
We chose "Shadow" as this has an element of mystery. It reflects our story line as the woman thinks she is always being followed. It is like he ex-husbands shadow will always be with her and never let her go.