Klaus Katherine My Passion ( Story in the description)

Story: Klaus meets Katherine, the doppelganger of the original Petrova and wants to use her in order to break his curse but he s impressed by her and eventually they fall for each other. After a while Katherine understands that he s a vampire and what he wanted from her and they fight. She rejects him, hi hits her and hee gives her his blood to cure her but she still thinks he wants to sacrifise her so she kills hershelf, completes the transformation and runs away. He feels betrayed and he kills her family