'The Originals' season 3 spoilers: The Mikaelsons are surprised with Finn's return in episode 16

The upcoming episode 16, titled "Days of Future Past," of the third season of "The Originals" will not air until April 1. The vampire drama will have a half-month break until it resumes airing new episodes on the small screen.
Although there is still no official synopsis for the upcoming episode, there are already rumors that the future episodes will drop hints for the story arc of the fourth season. It is also possible that the war between the originals will end along the season 3 finale.
The CW, however, are kind enough to give viewers a glimpse of the next episode with the released promo trailer. It showed the Mikaelsons—minus Freya—are shocked with Finn's return. The boys planned to kill their brother, but Freya was the one who stopped it.
Meanwhile, here is the rundown of the previous episode, titled "An Old Friend Calls."
Klaus may have believed that the reason why she let Aurora live so she can pay for the mistakes she did to Cami. But the truth is, he is just unable to kill Aurora with his own hands. Also the Originals family headed out for the great wide. Cami, on the other hand, transformed into a vampire and had to learn the ropes of living as one.
Finn came back in the midst of the Originals. It is possible that he was resurrected by Davina's spell or it was Freya who made it happen. No one knows yet if Finn is back as vampire or a half-hum-half-witch being.
Hayley, on the other hand, was confused with his love life. She wanted to know if her husband was aware of her feelings for another man, Elijah, before he died. Elijah is still having a hard time forcing to stop his feelings for Hayley. So, he decided to confess for his love to her. Then, he decided to end the lives of those who killed Hayley's husband. He sent her with Klaus so they can heal separately.