Continuity mistake: They say Eden's former partner died in a diving accident in Barbados. Later in the movie, they are looking at statements from witnesses to the drowning from Bermuda.
Factual error: Mr. Monk is crossing off days on a calendar until Trudy's passing anniversary. Three days before, he says "only two days left." Mr. Monk is too much of a perfectionist to say that. How did this happen?