
There are certain fates that are just not meant to be. After Dae-gil's relentless chase to find Tae-ha and Un-nyun, he hits a dead-end where he has to face reality and accept that Un-nyun has moved on and has found happiness.
Slaves who ran away were rounded up by bounty hunters called chuno-kkun. “Chuno” itself is a portmanteau word combining “chase” with “slave”; hence, slave hunter.
In the Manchu war, amidst the chaos and fighting, invaders had raided homes and dragged off their inhabitants.
Chun Ji-Ho is nothing if not an opportunist. He tells his men to fire away. If he manages to kill Dae-Gil and the runaway slave, that's like killing two birds with a few dozen arrows.