Sachi and her boyfriend Takara are a young couple who both attend different high schools. However, one night, Sachi gets the feeling something isn't right with her body, and later, after taking a test, she discovers she is pregnant. The two teenagers then have to face the harsh reality and question of whether they can give birth to and raise a child - a decision that will change their lives forever.

The story is about Tongrak, a girl who struggles in life who agreed to be a surrogate mother to Praefah, her biological sister who has health issues. Praefah is in love with Natee, an ordinary musician who turns out to be the heir of the Asavakietikul family where they have enemies all around. Because of this, Praefah and Natee end up getting murdered, leaving Tongrak a lonely pregnant woman with no job. Tongrak wants to tell the Asavakietikul family about their possible heir or heiress in her tummy but Kimhan, a toy designer, stopped her from doing so because he thinks the reason Praefah and Natee were killed is because the murderer wants to kill the heir. So Tongrak ends up being under the care of Kimhan. The two becomes close and develops feelings for each other unintentionally.