Lexa Woods has always seen things that others can’t– spirits, ghosts, the remnants of violence and bitterness. Long having since given up trying to rid herself of this sight, she has decided to use her skills as an “appraiser” of supernatural locations and objects. Sometimes Lexa can negotiate with the spirit to leave, and sometimes she can’t. Clarke Griffin works at the Cornerstone Psychiatric Hospital. Unsettling things have been happening around the building, and people are getting hurt. Exhausting conventional means of explanation, Clarke decides to reach out to another kind of expert.