You've just proposed to your fiance and have a celebration dinner planned with her family tonight; your wife suggests that you meet her sister before hand as you two have never officially met. However, once your future Sister-In-Law lays eyes on you, she decides she wants you for herself; using naughty words and your desire for raw sex, she seduces you into cheating on your soon to be wife and filling the pussy of her sister with a massive load of cum that she fingers out...welcome to the family.