Tom and Karen Wilson are the perfect couple, long married and still deeply in love with one another. When their neighbor suffers the tragic loss of his wife they do what they can to help him, but it is clear he is shattered.
After vanishing for several weeks the neighbor suddenly reappears and his behavior is unsettling in its casualness. They suspect his sanity and attempt to aid him, but to no avail.
When Tom suffers the shocking loss of Karen his own life crumbles.
Finally the neighbor reveals the secret he has inadvertently discovered - a potential miracle that will save them both.