A young woman with the supernatural ability to hear whether someone is telling the truth earns her living as the "liar hunter".  But her gift is also a curse, because it has taught her to always be distrustful of others.  And when she meets a mysterious new neighbor, she is shocked to find that he always tells the truth, even when it isn't easy.  So she is shocked to find out that, despite his inability to lie, he has been living his life in hiding after being accused of a terrible crime.  Now she is determined to help him find out the truth of what really happened that night so she can clear his name and help him go back to living a normal life.