Private detective Charlie Parker was approached by a woman named Rebecca Clay with a request to protect her and her daughter from being pursued by a stranger who called himself Frank Merrick. He claims that he has a business with Rebecca's father and he will not leave her alone until he finds out what is necessary. But Daniel Clay disappeared without a trace six years ago and was officially declared dead... Parker finds out that Frank’s interest was caused by the professional activities of the deceased: Rebecca’s father, a child psychiatrist, dealt with the problems of child abuse. While Merrick was in prison, his teenage daughter was kidnapped. At the same time, she sent her father letters with eerie drawings - they depicted people with bird heads. Merrick states that he saw exactly the same figures before - his cellmate Andy drew them. Moreover, he, too, was once a patient of Dr. Clay...