Somsri, a robot, is abducted by her neighbors and taken to Dr. Bem's house. Dr. Bem is the enemy of Dr. Ter who designed and created Somsri. Dr. Bem always wanted to learn the secret of Somsri of how it is built. But Krit, a young man who falls in love with Somsri, sees the whole thing and goes to tell her owner and together they go out to find her.