Sheltered, young and deaf, Sue Thomas lands her first job - which happens to be with the FBI. Unfortunately, she's relegated to the tedious task of filing fingerprints - until she catches the eye of FBI Agent Jack Hudson.
Sue finds some on the team are not as welcoming to a deaf woman, her unique lip-reading ability and her hearing dog Levi as Agent Jack Hudson. And when she gets involved with a case involving the Russian mob, she finds herself in danger.
Sue's first FBI assignment involves the high stakes world of investigating an anonymous bomb threat at an oil refinery. Lucy and Sue decide to share an apartment but problems threaten their plans – and their friendship.
Sue is swept into the maelstrom of a dangerous assignment when the FBI must protect a visiting dignitary who's targeted for assassination by a terrorist cell. She learns three hired European mercenaries have already slipped into the U.S. to do the job.
Sue cultivates her first informant who just might lead her from a small time smuggling case to a big time highway robbery ring. Myles is determined to get the team moved to a new improved office space but finds himself up against his nemesis.
Sue uses American Sign Language (ASL) to question Troy (Deaf actor Troy Kotsur), an arrogant, deaf suspect in a car theft ring. Meanwhile, the bullpen is thrown into chaos when a new supervisor is on deck.