‘Once Upon A Time’ Season 4 Midseason [SPOILERS!]: 6 Enticing Tidbits About ABC’s Fantasy-Drama As The Queens Of Darkness Wreak Havoc In Storybrooke

"Once Upon A Time" Midseason Spoilers - Still reeling over Sunday's midseason premiere of ABC's fantasy-drama, "Once Upon A Time?" As the second half kicked off Sunday, March 1, the Queens of Darkness will wreak havoc in Storybrooke.

"Once Upon A Time" Season 4 Episode 13 titled, "Darkness on the Edge of Town," which premiered on Sunday, marked the arrival of the newest villains in town including Maleficent, Cruella de Vil and Ursula. TVLine previously reported the theme of the fourth season will be "Never give up on the people you love," but as the evil forces attempt to deliver major destructions, can Emma be the heroine Storybrooke needs?

As "Once Upon A Time" Season 4 returns on TV, here are 6 enticing tidbits we compiled about your favorite fantasy-drama series.

1. Forbidden Fortress

Fans will learn exactly how the Queens of Darkness came together through flashbacks to the forbidden fortress. Additionally, we get to see just how persuasive Cruella De Vil can be.

2. Emma and Hook's PDA Overload But...

The first few midseason episodes will be filled with many romantic moments between Hook and Emma, ET Online revealed. However, Yahoo TV shared their relationship will suffer another setback when sheriff Swan deduces that Ursula and her beau go way back and he refuses to tell her went down.

"What he did to her. It is not sexual. It is far worse," executive producer Edward Kitsis said. "What would be worse than having your heart broken, having your soul crushed. You're going to see the origin of Ursula."

3. Charmings' wicked secrets?

Just as the Queens of Darkness have history together, it seems royal couple Snow and Charming have had more dealings with them than they would like to admit. And they are definitely not proud of those actions. As they keep their shameful past a secret, which include enlisting the help of a former enemy and lying to their daughter Emma, dangerous repercussions will emerge.

4. The Sorcerer and the Author will be the same person?

Though the EPs would not confirm that the Sorcerer and the Author were the same person, they admitted that his or her identity will be revealed before the finale, which involves August's return.

"I would say this, 'If you're searching for the author, you're gonna check with the guy who rode into town with a typewriter," Kitsis cryptically stated.

5. Belle and Hook's friendship status?

"Love is a Weapon" are the words that will best describe the relationship between Belle and Hook, Fashion & Style shared.

6. "When I'm finished, you won't have a family left to hurt," Maleficent said as shown in "Once Upon A Time" Season 4 Episode 14 teaser.

In "Once Upon A Time" Season 4 Episode 14 tiled, "Unforgiven," which will air next Sunday, March 8, Melty said they will resurrect the evilest force of them all. And since magic always has a price, it will be very strong.

"For the forces of evil to truly do damage, they must resurrect the evilest of them all. Now, only these heroes stand in their way," the synopsis reads.

Catch "Once Upon A Time" Season 4 as its airs Sundays at 8 p.m. on ABC.

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