[s5e12] The Devil Inside Official

Caroline Forbes admits to "Elena" (Katherine) that she slept with Klaus .

In a rare moment of softness, Stefan comforts Caroline, telling her that while she made a mistake, she is not a "horrible person." [S5E12] The Devil Inside

Matt throws a welcome-back party for , but the celebration is short-lived. Caroline Forbes admits to "Elena" (Katherine) that she

Instead of traveling the world with Nadia, Katherine decides to stay in Mystic Falls to win back Stefan Salvatore . The Breakup & Damon's Dark Turn Stefan comforts Caroline

Katherine (as Elena) coldly dumps him, telling him they are over for good.