Diego is a mechanic who occasionally spies on the town's community of trans women when they get together to play volleyball. One day he catches Pedro, his workshop assistant, doing the same. As the two men grow closer, they begin to give in to exploring new sensations together, but an unexpected event will affect their forbidden bond.

During the Cold War, many of those who tried to flee westward across the dangerous and blurred line separating communist Czechoslovakia from freedom were gunned down: the story of Europe's deadliest border.