Lu goes up against the government when one of her patients turns out to be a suspected terrorist. Meanwhile, Andy treats a deaf woman for rheumatoid arthritis, which has the potential to cripple the hands—silencing her ability to speak.

Dr. Campbell's husband hits her and she kicks him out of their house.

Andy is surprised when ex-husband Les shows up unexpectedly after Lizzy has her knee operated on after a soccer accident. Les learns that his wife is dating Milo. Andy invites Milo to dinner to meet Les and is shocked by the tragedy that ensues. Andy meanwhile treats a prominent judge for hearing loss and has trouble figuring out the cause of it.