The story is about Tongrak, a woman who struggles in life agreed to be a surrogate mom for Praefah, her biological sister who has health issues. Praefah is crazy with Natee, a standard musician who seems to be the heir of the Asavakietikul family where they need enemies all around. due to this, Praefah and Natee finishes up getting murdered, leaving Tongrak a lonely pregnant woman with no job. Tongrak wants to inform 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 rationale Praefah and Natee were killed is because the murderer wants to kill the heir. So Tongrak finishes up being under the care of Kimhan. the 2 becomes close and develops feelings for every other unintentionally.
