"But yeah, obviously Elena broke out of her chains in 3 seconds. They were attached to an Ikea bed frame, first of all, and everybody knows they are made of sawdust and Swedish whispers. Unfortunately just as Elena threw off her shackles Nadia showed up and re-summoned Katherine."
"So Katherine decided to show up and impersonate Elena in order to finally track down her own body. But first she had a run-in with Stefan to test the waters with him and see if he was sad about her supposed death."