Guardian Episodes 5-7

I think I've been rendering everyone's names incorrectly in my reviews. I should be writing Zhao Yunlan rather than just Zhao, right?

I'm also a little confused by the way people are being titled old. Is that just a literal translation of an honorific? It's been used for older people but also Zhao Yunlan who is definitely not old. And the use of brother and sister, is that analogous to comrade?

( spoilers )

We had to skip a night last night because we had guests. I'm really looking forward to episode 8!