Michael Holt is a successful doctor who has a thriving practice. One day he runs into his ex-wife Anna, also a doctor. They spend some time together. He later learns that she died before he meet her. He goes to her memorial and learns she was working in an inner-city clinic, and when he goes there, he can't help but help out. Before long people from the clinic come to see him. He continues to see Anna, who tries to get him to do good. He decides to work at the clinic as well at his practice. Written by
Did You Know?
At a point of the series, Anna mentions have any control about her apparitions and time that she can stay with Michael to help him. This should imply the existence of a some kind of boss or superior kind who establishes how, when and where their encounters happens, in addition to how long they can talk in each apparition. See more