Movies
I think I'll have to revise the filing system. Put you in the too good to be true category.
— Meredith · Playing by Heart

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker jokes about a mental filing system that can't cope with someone this impressive. Having to invent a "too good to be true" category is a playful compliment with a hint of suspicion, as if the person doesn't fit any existing folder.
Context reviewed