I and my two away team members are dropped on a planet. We drive and fight our way into an archaeological dig site, a Prothean ruin. Here we’ll find Liara — Matriarch Benezia’s daughter who is a scientist and an Asari biotic (which is Mass Effect’s version of magical powers). Geth swarm the ruin, looking for her. Saren, for some reason, wants her. Is it because of her mother? Or is it her expertise in Prothean technology and history? We can only guess.
After rescuing her and bringing her to our ship, we tell Liara about the Beacon and its vision. Her research shows that the Protheans were just another in a line of races who inhabit the galaxy and then disappear. We introduce her to the idea of the Reapers, the ones who extinguished the Protheans. She’s never heard of them or the Conduit, but she believes her knowledge can help us as we search. Our team is now complete.
Liara is very impressed with Shepard’s strong will. She, like most every other NPC in the game, will eventually invade our personal space and suggest a hook up.