"Once Upon a Time" season 4 spoilers reveal that Rumpelstiltskin will take advantage of Anna as Emma gives in to Captain Hook.

In the fourth episode titled "The Apprentice," fans will really get a chance to see Hook and Emma go on a date and the latter realizes that he is really serious about her, according to the "Once Upon a Time" season 4 spoilers.

In the end, it was Emma who will ask Hook out on a date.

The synopsis teased "Once Upon a Time" season 4 spoilers when it says: "After Emma asks Hook out on a real first date, Hook visits Mr. Gold and asks for his hand to be reattached so that he can embrace her with both hands. But magic always comes with a price."

Meanwhile, more "Once Upon a Time" season 4 spoilers will show how Henry and Mary Margaret will try to help Regina in her quest to find a cure for the frozen Marian, said Hypable.

"Meanwhile, back in the Fairy Tale Land that was, Rumpelstiltskin is after a magical box that the Sorcerer's apprentice is guarding, and he may use Elsa's sister Anna to help him get it," the synopsis adds.

Still photos also show Anna visiting Kristoff in the stables, which could mean that she's back in Storybrooke without Queen Elsa's knowledge, Hypable noted.

Elizabeth Lail talked "Once Upon a Time" season 4 spoilers to IGN as she said that Rumple will take advantage of the innocence of Anna who just wanted to find out what her parents are doing in the Enchanted Forest.

"She is not that afraid of him because she doesn't know anything about him and she goes to him and trusts him," the actress said. "He offers to help her and she trusts him. In the long run, he ends up manipulating her into doing something that she wouldn't normally do, because she's a good person and he's not a good person."