In Brick (2005), the Movie is all about murder of Emily Kostich.
So why is the title Brick and not Emily?
Movies & TV Stack Exchange is a question and answer site for movie and TV enthusiasts. It only takes a minute to sign up.Sign up to join this community
Since the major component of the movie's story is about missing heroin...
The title refers to a block of heroin, compressed roughly to the size and shape of a brick.
At The Pin's house, Tug tells Brendan that The Pin received a shipment of ten bricks and sold eight; one was stolen and replaced with another that had been doctored with detergent, causing Frisco's coma, and the 10th brick remains to be sold.