Following the reveal that Emma is keeping a huge secret from her loved ones, it won't take long until Hook confronts her about it. Subsequently, viewers will find Hook pissed as to why Emma would keep something very important to him.

"Once Upon A Time" Season 6 opened with Emma finding out in a premonition that the Grim Reaper is coming for her. Scared for her loved ones, she decided to keep this as a secret. But expect that Emma will not be burdened by this for too long. According to series star Colin O'Donoghue, Hook will not take Emma's strange actions lightly and will confront her eventually.

"We see that he'll approach it and see what's going on with her," the actor told TV Guide in an interview.

"I think if he does find out the truth that she's hiding something ... he'll be mad with her but he loves her so he'll do whatever he can to help her, you know?"

As to whether or not Hook will feel betrayed about Emma keeping the truth from him, Donoghue allowed that his character would be disappointed. However, the actor stressed out that this is not something that can potentially break them up because they love each other deeply.

In other "Once Upon A Time" news, a huge event is coming up for Cinderella on next Sunday's episode. As revealed in the official plot synopsis, Cinderella will attend a ball through a flashback sequence where she is set to finally meet her prince. At present, viewers will find her settling some unfinished business with her step-family.

"Once Upon A Time" Season 5 Episode 3 "The Other Shoe" is slated to air on Sunday at 8PM on ABC.