Diary is a special notebook where girls write their secrets, feelings and unforgettable moments. Stephanie Kristin "Steffy" J. Lopez ay isang babae na may broken family kaya na move sya kasama ang daddy at step mother Nya As she move in a new school, may nakilala sya na magbabago at aayusin ang Buhay Nya.... Aayusin nga ba? Meet Andrei James G. Curtis ... Isang napakafamous na Tao sa school... At ang magiging bully ni Steffy And of course palaban si Steffy!!!! Join her adventure! With broken family, questionable friendship, mystery crushes and unbelievable love