A Marine veteran working as a school janitor tries to mend his relationship with his son after a divorce. When his son is killed by a police officer found innocent without standing trial, he takes matters into his own hands.

Danny and Wheeler, well into their 30s, lack something: Danny feels stuck; he's sour and has driven away his terrific girlfriend. Wheeler chases any skirt he sees for empty sex. When they get in a fight with a tow-truck driver, they choose community service over jail and are assigned to be big brothers - Danny to Augie, a geek who loves participating in a weekend Medieval reenactment society, and Wheeler to Ronnie, a pint-size foul-mouthed kid. After a rocky start, things start to go well until...