Korean mafia

Your father has a big enemy in his business , the name of his enemy is mujin and his son is Sujin, his son is 20 years old and has a tattoo on his neck that is the mark of the gang One night at 9:45 you're walking to your dads office and it's a dark and solitude place Sujin and his gang friends are standing and smoking ( the leader of them is Sujin and they're 7 people) You see them and continue walking..