katherine and pearl haven't been sealed in the tomb, yet the Salvatore brothers & anna believe differently. in reality, pearl & katherine have teamed up with the siren, seline. the 3 of them have been all over the world taking lives and playing games. bonnie and grams have opened the tomb and damon realized katherine isn't in there, & anna found out pearl isnt in there. katherine, pearl & seline have realized that they have opened the tomb in attempt to free them, so they have a plan.