Hook (Colin O'Donoghue) arrives to have lunch with Emma (Jennifer Morrison) on his ship. She appears out of nowhere and he gets upset, but Emma tells him she just wants to have lunch like old times. When he is skeptical, she uses magic to change the scenery and tells him she can trust her. But can Hook really trust the Dark Swan? Watch this preview from the Season 5 episode "Siege Perilous" and don't miss all-new episodes of Once Upon a Time SUNDAYS 8|7c.