The Perfect Stranger

Diamond Andrews is a young woman fresh out of college and starting a new job. Someone she doesn't know saves her life. She thanks him with a dinner but after that he mysteriously disappears out of thin air. Just one message and he's alive but who is this guy. He saved her life they went out for dinner and disappeared. How does he know so much about her but she knows nothing about him. He uses these things to get at her just for saying "I don't want to". For rejecting a date he's either psychotic or mental. He starts scaring her she doesn't know what moves he's gonna pull but they are dangerous. What will his next move be and what will Diamond do to save her life?