These are my thoughts as I watched it. Some will not make sense, sorry, LOL. I'm crazy like that.
It seems that most people are numbering back at one, so I will too. First people with lines - Shirin and Klaus. Klaus is a new character, and Shirin is now Lara Croft, Tomb Raider. Sergei lives in a pretty posh house. Nice sweater! He's on the phone with Kati, hmm. As for the answer that he's looking for from Soma, my guess is that he's asked her to join the military again. Let's not get any wild ideas. I wonder why Ian's letting his daughter be part of the crew. Yay, Tieria! :D Look, Louise! Yay, Setsuna! Saji gets attacked by a spider bot! Setsuna and Saji remember each other. Louise: MY BRAIN, IT BLEEDS. Tieria comes to save Setsuna! Yay, Feldt! Yay, Lasse! Saji wants to kill Setsuna, for revenge for his sister and Louise's