Isabella Corine Santillan was a successful pediatric surgeon in her late 20's. She's an attending doctor in Santa Monica, California. She was living her best life in Cali. Ngunit bigla na lang siyang nakatanggap ng tawag mula sa hospital na dati niyang pinagtatrabahuhan, that's the reason she needs to get back in the Philippines right away. Humihingi ito ng pabor para tulungan ang isang batang nag-aagaw buhay at hindi naman siya nagdalawang isip na tulungan ito. Ngunit sa pagbabalik sa Pilipinas ay magbabalik din kaya ang mga nang iwan at iniwan niya sa kanya? Tuluyan niya bang babalikan kung ano ang mga nangyari sa nakaraan niya? Tuluyan niya na rin bang tatanggapin kung ano ang totoo siya?

Christine will be staying at her best friend’s unit. Wherein Kai’s living there, too. Kai is the cousin of Tin’s best friend. They will be living together for a while. As time goes by, they will become close to each other. One of them will be seeing herself or himself falling in love. They will become a couple, but their relationship will become a toxic one. She found out that Ka’s cheating, hindi niya maitatangging sobrang nasaktan siya sa nangyari pero nagmakaawa pa rin siyang bumalik sa kanya si Kai but still Kai’s going to break Christine’s heart, that’s the reason why Christine will be leaving the country. Until one day, she decided to go back to the Philippines for the meantime because of her best friend’s wedding. Pinapauwi siya nito dahil hindi siya pwedeng mawala sa kasal ng best friend niya. Hindi na rin siya nakakatanggi kaya agaran siyang umuwi ng Pilipinas.

Everyone doesn't know that she's back. She wants to stay lowkey for being a cold and heartless gangster. She's the queen. She is the so-called Demon Princess.

Samantha Monteverde is just an ordinary girl for them. For them Sam is just nothing. They didn't know that Sam wasn't just an ordinary and nothing girl. She's SOMETHING.