What happens if Mr. Assassin meets Ms. Detective? Different circles of life. Siya si Ms. perfect, maganda, matalino, mayaman at isa siyang Detective Siya naman si Mr. Arrogant, gwapo, matalino, mayaman at isa rin naman siyang Assassin.. Pangalan palang mukhang magka-away na talaga. They were born to be mortal enemies.

Moving to Pampanga to start anew, Lorelei Rios only wants to focus on her new life and live in peace. But when she crosses paths with the ever-mysterious Loki Mendez, she's suddenly dragged into a world of mysteries, changing her life in ways she didn't expect. *** Joining a detective club is the last thing on high school student Lorelei Rios' mind. However, after being pressured into joining the QED Club by the cold and mysterious Loki Mendez, she unexpectedly finds herself solving mysteries one after another. As they tackle cases and work to decode puzzles and codes, Lorelei realizes that her high school life will never be the same. But when lives and safety are suddenly at risk, can Lorelei and Loki find the courage to face the challenges ahead? Or will their pasts impact their present, causing them to lose focus and ultimately fail?