TV
He's so far in the closet, he might as well be in Narnia!
— PC Lance Powell ‧ The Bill

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker jokes that someone is hidden so deeply about their sexuality that they may as well be in Narnia, the fantasy land reached through a wardrobe. The exaggeration turns the idiom of being 'in the closet' into a comic image of extreme concealment.
Context reviewed