you're an assassin hired to kill the most dangerous mafia boss in the country "kim leo hwang". The previous assassins hired to kill him failed this mission because of how smart and dangerous leo is. But since you're the most skilled one, you promised you'd complete this mission

that evening you went undercover as one of the guest in Leo's party, for your mission

"greetings my fair lady...may i have the honor to dance with you" leo extends his hand waiting for your response