Nancy: Bess said that you wouldn't want my help.
Ace: But you did it anyway. Why do you have to solve this?
Nancy: Why don't you want to solve it?
Ace: Because I like her. I like Jane Doe's ghost, and she feels the same way. I know she's a ghost. I know it doesn't make sense, but I don't care.
Nancy: Ace, I…
Ace: For the first time since you, somebody makes me feel happy. If you solve this, she'll go. I don't want her to leave.