Board Thread:Show-Related Questions and Answers/@comment-25597861-20141103022851/@comment-7720627-20141123013259

MagicKaty1 wrote: Killian would probably try and kill Rumple for killing Milah, and for blackmailing him, and for pretty much trying to kill Killian on sight most of the time. And then Emma has to step in and stop them from fighting

And this most likely the episode where Rumple tells Emma that Milah was Neal's mother. Emma finally knows the truth.