Sue Thomas (Deanne Bray), a young deaf woman who uses both speech and sign language and who can also lip read, sets off to join the FBI, along the way she picks up her new hearing dog Levi (Jesse Renfro). Her tenacity and passion brings her to the accidental attention of Special Agent Jack Hudson (Yannick Bisson) who upon testing her skills gets her assigned to his team. Through unintentionally violating standard procedures Thomas inadvertantly helps take down one of the FBI's most wanted criminals Russian mobster Vladimir Solanovitch (Genadjis Dolganovs). As well as introducing us to the trials in her past.