Anna is twenty-four years old when she decides to be a therapist to survive. She is from a poor home.Her mother owns a small store in the city of London. Some days they have no food to eat, while some days miracles happens but it's always rare. One day, her teacher gave her a job. A very rich billionaire, Mr. Johnson, needs a private therapist for his son.Mr. Johnson has two sons. The first son, David, is a teacher. He is loved by everyone. The second son, Eric, is a doctor. He is a brilliant doctor, but he is addicted to heavy smoking. The smoking has destroyed his life. His hands shake, he cannot operate, and many big hospitals have sacked him. Now he stays at home, smoking every day, rude and broken.Anna takes the job because she needs the money to save her mother.At first, Eric hates her. He insults her, throws her books away, and smokes in front of her. He will say " I don't need a therapist. She says "Then why can't you sleep at night? Despite his wrong approach,Anna does not leave. She sees a lost man, not a bad man. Slowly, she helps him. She talks to him, stays with him during his cravings, and makes him believe he can be a doctor again.As Eric heals, he starts to love Anna. Anna starts to love him too.But David, the brother, becomes jealous. His father praises Anna, and Eric is getting better because of her. David wants to destroy her for rejecting his advances.He finds Anna's darkest secret.A sin she committed two years ago, when her mother was critically ill. His mission is to destroy her.