Emma Swan (Jennifer Morrison) has finally moved on from her baby daddy when she decided to open her heart up to Killian Jones aka Captain Hook (Colin O'Donoghue). And it seems like the two are meant to be star-crossed lovers, at least in the fifth season of "Once Upon a Time."

It is not a surprise that the Captain Swan loveteam will encounter some difficulties this coming season of the fairytale drama television series. After all, how easy can it be to stay in love with the Dark One? But they still might survive it — Hook, after all, spent most of season four protecting the goodness in Emma's heart. Hook, for one, will definitely fall for Dark Swan's clothes.

"He'll definitely prefer the wardrobe. He'll probably even borrow her pants! I think he is fully invested in this relationship, in being in love with Emma, and I think he'll do whatever it takes to try to bring the woman he loves. It's the same way that Belle loves Rumpel, even for the darkness that's in him. It's going to be interesting with Hook figuring out a way to bring Emma back and whether or not he can do that — or whether or not he'll decide to go back to the darkness. That's where his struggles are going to be, I think," says O'Donoghue.

Now, fans are eagerly awaiting what is next for the two. Everyone is rooting for them to stay good, to stay heroes. But Dark Ones have always stayed dark and Emma is facing the danger of being the same.

In an interview with PopSugar, Morrison says the fifth season will highly focus on the previous Dark Ones. Viewers of the ABC show will get to know the Dark Ones before her and understand their reasons for choosing to be villains.

"Once Upon a Time" returns with season five on ABC on Sept. 27, 2015.