Paron is in love with Panapha, a young volunteer school teacher, his father Pakon disapproves, so he runs away with her to live in Mae Hong Son, a province in Northern Thailand. Somehow his father along with his older brother Phurinot convinces Paron to come back to Bangkok to get engage to Rujira. If he does so, they promise to stop interfering with his relationship with Panapha. Paron agrees.
When Paron is giving Rujira her engagement ring, Panapha sees them and is shock. Panapha runs away after making eye contact with Paron and he chases after her in order to give her an explanation that he is doing this for their relationship. He never caught up with her because in his hurry, he was not cautious, and was hit by a car. From the accident, he becomes paralyzed and experiences memory lost.
Believing that she has been tricked and made a fool by Paron, Panapha decides to kill herself and also the baby inside of her. When her older sister Palilai learns of her suicide via the news, she is devastated to the point of going crazy. Panapha’s father Prart suffers a mental break down when he learns of her death.
From Panapha’s suicide letter, Palilai learns that Panapha committed suicide because of a broken heart. She felt deceived by Paron–why did he start a relationship with her when he already had someone else? The letter makes Palilai hate Paron and it makes her want to take revenge on him. So she does.
She learns from Nuna, her best friend, that Paron was in an accident and is about to be release from the hospital to be taken care of at home. Nuna has been hired as his permanent nurse. Palilai takes the opportunity of knowing Nuna to her advantage for revenge. She pretends to be Nuna and goes to Paron’s home to be his permanent nurse. Her plan is to make him fall in love with her to teach him the disappointment of love and trust and to make him remember Panapha. As she is building a relationship with Paron, Phurinot,Paron’s older brother, falls for her too, secretly.