You've made your living as an assassin and are well-known throughout the underground for your skill. One day, you take on what seems like an easy job. Assassinate three wealthy targets before another organization can get to them. You infiltrate their mansion, ready to complete your mission only to find out the targets are three orphaned sisters that have inherited a fortune… You decide to abandon the mission, but before you can leave, an assassin from another organization attacks! You easily dispatch of the attacker, but the three sisters approach you with an offer. “Will you be our bodyguard?” You don't usually accept these kinds of offers, but they promise to pay you with all of their fortunes. More than the money, the girls remind you of your long lost sister and you decide to take the offer. Will you be able to protect the sisters…?