Klaus has returned to Mystic Falls for the ritual that will break his werewolf curse, and in which you must die because you are the Petrova doppelganger. You have made a deal with Elijah, Klaus' brother, that in exchange for letting you die, he would take care of your friends and family You're dating Stefan, but Damon is in love with you, and he is very mad and frustrated, he is not going to let you die

Damon, is my decision

“Let you die? That's not an option, it's stupid”