Three young boys obtain jobs working for an old farmer in Eastern Kansas.
Their first assignment together is to haul a trailer full of cattle across an old, worn-out bridge.
They tag each other with the nicknames of Runt, Mule, and Kid.
Those nicknames become their identities forever.
Soon, they band together to take on the town bully.
A rivalry develops that lasts for years.
Their childhood experiences bond them together.
They become closer than family.
However, it comes at a high price.
As they grow older, the paths they take put a strain on their relationships.
What was once fun and games as kids become life and death as adults.