Ik - hyun leaves his customs job .
Ik - hyun becomes a full - time businessman , with Hyung - bae taking care of the underworld side and Ik - hyun protecting him with his high - level contacts .
Ik - hyun leaves his customs job and becomes a full - time businessman , with Hyung - bae taking care of the underworld side and Ik - hyun protecting him with his high - level contacts .