Containment

Containment is a movie starring Billy Postlethwaite, Louise Brealey, and Sheila Reid. What happens when an epidemic breaks out, but you're kept in the dark? Anything can happen. Slowly the residents realize that they will all die...
Neighbors in a block wake one morning to find they have been sealed inside their apartments. Can they work together to find out why? Or will they destroy each other in their fight to escape?