Kaplan, a rich and reckless chairman fell from is roof terrace. In Heaven, he argues that it was not a suicide and to proove it, is given the task of rescuing one of his employee, Jean Jean, who wants to take his life. Back in his body, he must now persuade Jean Jean that life is wonderful but Jean Jean is jaded with life and people, having been abandonned with his baby sister (Jeanne Jean) at the St Jean monastery on Saint Jean's day. Well, now you know how they ended with such names...