Bav awoke inside a lab, with no idea what was going on. The last thing she remembered was telling Kaidan to follow orders (which she of course expects from everyone on the crew), and shoving Joker into an escape pod. She scrambled her way out, meeting Jacob in the process. Ever incurious, she asked no questions, and was particularly confused later when Jacob told her she must know who Cerberus was. Bav didn’t undertake any of the Cerberus missions in Mass Effect, so her transition to Cerberus operative shouldn’t be too much of a problem. She had no problems with Miranda killing Wilson, afterall killing squadmates is standard protocol for Bav when orders aren’t being followed – never mind a full scale betrayal.
Bav was fairly amicable with TIM, tried to make conversation with Miranda, and seemed to be getting on well with Jacob. All in all, I think the Cerberus lifestyle suits her. Out on her first mission, Bav ran into Tali – the only crew member from the original Normandy that Bav had ever shown any friendship towards. The Quarians drew weapons, always a big no for Bav, and she very quickly reminded Tali of what happens to people who threaten her (poor old Wrex). Not one to trust people, Bav decided she didn’t want to work with the Quarians, and handed Veetor over to Cerberus despite Tali begging her not to. Not sure this friendship is going to last…
On the Normandy, she got off to a bad start with Kelly, telling her she wouldn’t be so informal to not call her Chambers. Miranda tried to open up about her genetic modifications, but Bav has no interest in her crew’s personal problems. She did agree recruiting Mordin was the best course of action, so they set a course over to Omega.
Mordin’s assistant didn’t survive meeting Bav, and Bav showed no remorse over the situation – telling Miranda and Jacob the guy had got himself killed. Bav showed a bit of effort toward Mordin, letting him ramble on, the uncharacteristic friendliness toward him must be a reflection of how desperate she was to recruit the scientist.
Despite talking to Aria about Archangel’s situation, Bav decided if the merc was any good he would definitely be able to hold out a little longer, so she decided to head out and collect Jack from the prison ship. Bav is definitely a member of Miranda’s Cerberus cheerleading squad, and she lied to Jack about letting her get access to the data when aboard the ship.
Bav decided it was time to catch up with Anderson, and docked at the Citadel (she had told Miranda Udina was councilor, although actually she'd decided not to bother having a say in the matter - I figured in that case Udina is who would be chosen from the two). She told Bailey she wanted to remain dead, and wasn’t impressed that Anderson had summoned the Council. I still can’t fathom why Bav decided to save them at the end of the last game, in the meeting she was as disrespectful as ever. She said 'Screw You' when offered her Spectre Status, telling the Council she didn’t answer to them and supported Cerberus throughout. Udina came in, and for once I had some sympathy for the guy when he asked Bav ‘What the hell is wrong with you?’
Bav finally decided to show some pity to the long suffering Archangel – if he’s managed to survive this long then he must be good. She’d never got on particularly well with Garrus, but hadn’t had any major disagreements either, so she wasn’t too welcoming when she discovered Archangel’s true identity. She didn’t bother to leave Garrus with any support, figuring she didn’t want him back if he couldn’t hold off a few mercs on his own. She did soften up a bit after Garrus was injured, telling him back on the Normandy that she was glad he was here.
Bav was pretty angry that Jack had gone behind her back to get the data, and warned her not to ‘violate the integrity of the ship again’. I'd heed that warning Jack
TIM asked Bav to go on a side mission, and Bav agreed showing Cerberus the respect she never showed the Alliance or Council. She recovered the data, and without hesitation decided it was better off back in Cerberus hands – what had the Alliance ever done for her?
It was then time to visit Okeer, but ultimately Bav decided not to open Grunt’s tank. She’d had enough trouble with the last Krogan on board.
Over on Horizon, Bav had no sympathy for the mechanic that had hidden away. Meeting Kaidan again didn’t have any emotional impact on Bav – she’s not one for friends. She of course supported Cerberus throughout the entire conversation, and was pleased Miranda was there to back her up on her view that the Alliance was useless and would blame Cerberus for everything.