Marvel's Daredevil - Matt vs. Stick

Stick invites Matt on a mission to help destroy something called the “Black Sky” from falling into the wrong hands. Down at the docks, Black Sky turns out to be a kid, and Matt foils the plan.
We all know Matt’s rule about killing people, but this is where it meets reality and the voice of reason. Stick knows Matt’s rule is impossible to uphold, to continue at the rate it’s going. If Matt doesn’t realize it, Stick is going to beat it into his brain, or try to at least…