Just Let Go - S1-E4
Continuity mistake: When Jake sees Oliver's parents crying at the beginning of the episode, the same few extras walk by them twice in two different shots. Watch for the Asian-American nurse – she's the easiest to spot.
Just Let Go - S1-E4
Revealing mistake: When we see the outside of the hospital in the beginning, as the camera cranes down to see the ambulance, you can see a subtle sort of "blur/feathering" around some of the tree branches and leaves above. The background appears to be added in post, and the foreground tree just wasn't quite blended in properly.
Answer: Presumably she's referring to Jake, Devon, and her sister Caroline, since they're the ones who are most "in the know" about the problems Lexi is facing and maintaining her secrets.
TedStixon