S411
Kol compelled Damon to kill Jeremy.
Through the interrogation in the Police Station, Bonnie knew Professor Shane
who he really is and he'd convinced Pastor Young massacred 11 people.
Rebekal and Stefan got tombstone, finding someone compelled to stole it but
they had no idea this is Katherine's doing.
Stefan slept with Rebekah.
S412
Kol wanted to kill Bonnie and he was taken down.
Bonnie's parents wanted to stop Bonnie but failed.
Demon chated with Klaus in the jail.
Jeremy killed Kol with Elena and Klaus happened to see that.
Klaus wanted to kill Elena and Jeremy so he's locked in Elena's home by Bonnie.
S413
Elena, Demon, Stefan, Rebekah, Bonnie, Jeremy and Shane went to the island.
After arguing with Elena, Demon left and caught by another hunter.
Shane took Jeremy and Bonnie away.
Rebekah, Stef and Elena were left and had no idea like flies.
Rebekah saved Elena and accepted the truce gift - the stake.
S414
Klaus helped to explain what the tattoo stands for and told Rebekah there's
only one dose of the cure.
Katherine faked Elena to take the cure off and killed Jeremy.
Silas resurrected.
S415
Damon and Rebekah found Katherine, hunter and Hayley being a team.
Silas faked Shane to brainwash Bonnie to orchestrate the final massacre.
Shane's found dead by Rebekah.
Elena burned Jeremy's body and even her home after turning her humanity off.
S416
Elena's sire bond wasn't working anymore.
Klaus gave his word to protect Hayley.
Demon killed the vampire distributed by Katerina to kill Hayley.
Elena tried to kill Caroline and stopped by Stefan and Damon.
S417
Damon took Elena to New York to have fun that deceived the real purpose was
finding the clue of cure.
Rebekah and Elena snapped Demon's neck and escaped with Katherine's lead.
Caroline killed 12 witches to save Bonnie's life.
S418
Elena and Rebekah found Katherine in Willoughby.
Elijah knew Katherine killed Jeremy from Elena.
Katherine gave the cure to Elijah.
Silas invaded Klaus's mind so Klaus asked for help to Caroline. Be friend？
Elena killed the waitress for showing consequences to Stefan and Demon.
S419
Rebekah's human test in senior prom
Elena tried to kill Bonnie.
Stefan amd Demon locked Elena up.
S420
New Orleans' beginning - Klaus, Elijah, and Marcel
Hayley's pregnant.
Elijah broke up with Katerina.
S421
Bonnie made a deal with Katherine to get the tombstone filled with Qetsiyah's
blood.
Caroline's harassed by Klaus and Matt that Silas faked.
Stefan and Demon tortured Elena but failed.
Katherine let Elena out on her turn.
Elena got her humanity back because of Matt's fake death that Demon planning.
Elena wanted to kill Katherine.
　　　
S422
Bonnie dropped the veil between the side and the other side.
Alaric, Jeremy, Lexi, Kol and the other vampire hunters came back.
After Bonnie made Silas turn into stone, she died bacause of spelling to make
Jeremy resurrect.
S423
Jer, Ric and Elena's happy reunion was intercepted by the phone call from the
vampire hunter, Connor.
Klaus came back for Caroline's graduation and saved Damon's life.
Elena told Damon she's in love with him.
Elena made Katherine take the cure on the moment she's gonna to be ripped out
her heart by Katherine.
Silas revived again bacause of Bonnie's death making spell isn't working.
Stefan's locked in the safe and tumbled down into the water by Silas.
For maintaining Nature's balance, it has to be another version that could be
killed to the exist of immortal beings.
That's why doppelgangers're here.
And Stafan's exactly the Silas' doppelganger.