A psychiatrist on the verge of suicide is haunted by a ghost who shows him that the way to his own happiness is through the suffering of his clients.

Please don't post multiple versions of the same logline. It's difficult for people to critique one idea when some fairly major elements of the story change. It's nice to see the evolution of an idea and the associated feedback.

I think the version without the ghost is stronger (in my opinion). With the ghost it's almost a bit "God told me to do it". I think it's darker and funnier when he's actually just depressed but ?otherwise mentally sound. I'm thinking of Fargo, where William H. Macy is arranging to have his wife kidnapped. It's far funnier that he plays it rationally, logically and sanely. The juxtaposition between the nature of the character and the action is where a lot of the humour comes from. ?The audience sympathise with him, they understand him, and that's what you need too.