Valerie Reyes is a perfectionist STEM student who thrives on straight A's and structured plans. Wyatt Gonzales is the charming, confident ABM guy who always gets under her skin. Ever since a messy fallout during their Moving Up Ceremony, the two have been sworn enemies-throwing glares across hallways and sarcasm across group chats. But when their worlds collide again in senior high, every insult starts hitting differently, and every argument starts feeling a little too personal. They promised to stay on opposite sides... but hate has a strange way of turning into something else.

You cannot bring your secrets to your grave, whether you will like it or not, it will slowly unravel. STEM-A thought that last year of being a high school student would be their most memorable school year. Not until someone brought up Zoe's death again. Zoe. Their classmate who died during grade 10 and wasn't given a justice. And now someone wants to put justice in their hands. One by one, STEM-A Mallorians were killed. Some secrets that are supposed to be secrets were revealed, causing chaos to their section. Who among the 36 students killed Zoe? The reason of the killer/s wrath.

Hoon was suffering from depression when he met a bubbly and cheerful girl, Elezia, who is the complete opposite of him. They see each other every year on the same date and at the same beach to unwind and escape from reality.