My guess? I think it'll be the morning after scene. :) Marlowe a dit there wouldn't really be a time skip, he made it seem like it'd start with right when they wake up in the morning.
Yeah I think you're right! I read something about how after all these years of waiting for them to be a couple, he didn't want to skip over that ou how Castle/Kate act as a couple! I'm excited for Season 5!!