I've been reading a LOT of drama descriptions lately. Thought I'd bookmarked this one but can't find it. It's been a while since I saw the listing, and this is all that remains in my head. Might even be considered a classic, but since I'm new to Asian dramas ...

Almost surely a historical, may be Chinese. The groom is missing from an arranged wedding between wealthy families. The next in line is a brother with an angry disposition, who unexpectedly becomes the groom.