Alright, so I always recommend reading the other stories first, but if you don't have time for that or are simply not interested (that's fine too, my feelings won't be hurt), here's a basic recap of what has happened in this continuity so far (You can easily just read this and still not be lost):
The Originals Alternate Season Two:
* Kol survived his hex at the end of 2x14, Davina saved his life by spelling a necklace that would absorb the harm the hex was doing to Kaleb's body but the hex wasn't totally gone just yet.
* Freya, in an attempt to try and force Rebekah back into her original body because an Original vampire would be a more powerful ally in a fight against Dahlia than an amateur witch, cast a spell that would reawaken Eva Sinclair's consciousness inside of Rebekah.
* Freya didn't seal Finn's soul away just yet at the end of 2x15, but instead just put him to sleep.
* Freya helped Kol and Davina break the hex Finn put on Kaleb's body.
* Klaus snapped Freya's neck, waking Finn up, unbeknowest to Klaus at first.
* Finn transferred Esther's spirit from Lenore's body into Cami's.
* Eva Sinclair fully took over Rebekah's body, but thanks to Freya, Elijah, Kol and Marcel, they were able to go into Eva Sinclair's mind, save Rebekah's soul and destroy Eva Sinclair.
* Esther was taken out of Cami's body and put back into Lenore's.
* Freya, after being more or less forced to by Finn, trapped his soul inside of her pendant, giving Vincent control of his own body back.
* Freya killed Esther inside of Lenore's body.
* Kol, Davina and Freya restore Kol's original body, he comes back as an Original vampire and leaves Kaleb's body.
* We learn that Kaleb had a rough home life. Davina felt compassion for him, to Kol's mild jealousy.
* Josephine dies by Dahlia's hand.
* Elijah and Gia almost hooked up but didn't.
* Jackson dies by Dahlia's hand instead of Aiden.
* Rebekah returns to her original body and has Eva Sinclair's body preserved for her to use at any time.
* Mikael comes back into the picture. Klaus attempts to stake him, but then learns he had a fake white oak stake, and Elijah had the real one. Elijah then holds Klaus down while Kol daggers him.
* Freya, to prove her loyalty to the family, desiccates Mikael, knowing he's a constant threat to Klaus and Hope, but not having it in her to kill her own father.
* Dahlia tries to convert Klaus over to her side while he's daggered. She also places a curse/hex on Elijah that increases his bloodlust and more or less turns him into a ripper.
* Cami undaggers Klaus. They hug.
* Klaus feigns allegiance to Dahlia while working with his siblings, knowing it's the best route to take Dahlia down.
* Klaus doesn't kill anyone to take vengeance, but does torture Elijah by letting him know that Katherine is dead and he and Rebekah kept it from him. Elijah's red door finally opens.
* Klaus tells Davina that Kol psychologically scarred Marcel as a child back in the early 1800s, to get vengeance on Kol.
* Davina separates Marcel, Josh and Gia from Klaus' bloodline.
* Elijah tells a widowed Hayley that he loves her. Hayley doesn't know how to respond.
* The Mikaelsons resurrect Esther in her true body and then kill Dahlia. Esther dies as well, for the final time, and the two wicked sisters find peace together in death.
* Davina and Kol briefly fight over what he did to Marcel, Kol confesses he loves her, Davina loves him as well and the two stay together with Kol reluctantly promising to make it up to Marcel, for Davina's sake.
* Vincent made friends with Gia and became a vampire.
* Hayley lets Elijah know that she has feelings for him as well but isn't ready to be with him. Elijah's bloodlust then overwhelms him and he nearly kills Hayley, only reason he doesn't is because Rebekah forces him off of her. Elijah then leaves New Orleans behind to fix his bloodlust problem.
* Rebekah finds out about Freya's role in the Eva Sinclair crisis. Freya apologizes and vows to make it up to Rebekah. Rebekah decides to let her, and stays in New Orleans, in her vampire body.
* We learn that Kaleb has killed his abusive father.
* Josh and Aiden leave town. Aiden briefly served as Alpha to the Crescents following Jackson's death, but decides he no longer wants to be alpha and instead wants to live a happy life with Josh.
* Marcel is now in charge of the vampires. The new Regent and head of the Crescents have not been introduced yet.
* Klaus ends the story, on somewhat good terms with Rebekah, Kol, Freya, and Hayley, raising Hope with his family to help him, and has also begun a romantic relationship with Cami. His relationship with Elijah is now rocky though, just like in the show.
The Vampire Diaries: Becoming:
* Jo, Liv and most of the Gemini Coven survived the events of 6x22
* Kai killed Joshua Parker at the wedding instead of Jo.
* Elena got head trauma from falling at the wedding and was unconscious for a while, but the sleeping beauty curse didn't happen and she woke up eventually.
* Kai used Bonnie's blood to cast a protection spell on Bonnie so if anyone killed her, her killer would die with her.
* Damon told Bonnie that Kai helped Jeremy saved her life in 6x13. Kai then showed Bonnie a vision of the day he helped save her life.
* Bonnie and Jeremy had an actual break up, with Jeremy deciding to pursue a life of vampire hunting and Bonnie deciding to stay in Mystic Falls.
* The Heretics were imprisoned in a Warehouse in Mystic Falls warehouse district, held back by a cloaking spell and a boundary spell cast by Kai. However, because all of the Heretics were siphoners they managed to drain the magic keeping them there and escaped, meeting up with Lily and Enzo.
* Damon considered taking the cure with Elena but decided to remain a vampire until the Heretic mess was resolved.
* Kai and Bonnie then form a reluctant alliance to take down the Heretics and send them back to the 1903 Prison World.
* Jo, Alaric and Liv learn from a video will that Joshua Parker left behind that the Parker Mother, Selina Parker, was still alive and faked her death back in 1996 and has been avoiding the family ever since for reasons currently unknown.