NBI Agent Marasigan ay hindi isang pangkaraniwang agent dahil sa kanyang kaibigang si Igme na isang multo. Isang kaso ng panggagahasa at pagpatay ang kanyang iimbisigahan kasama ang isang tanyag na professor na si Dr. Jessica Dela Rosa at ang kanyang kaibigang si Igme. Sa pagusad ng kanilang imbistigasyon ay hindi lang isang kaso ang kanilang malulutas at hindi lang ang kaso ang uusad, pati na din ang mga pusong nagaantay lamang ng tamang katuwang. Papatunayan ng istoryang ito na hindi napapagod sa pagaantay ang mga taong tunay na nagmamahalan gano man ito katagal abutin.

This isn’t a love story, it’s a love adventure. First love’s a killer, but so is seventeen-year-old Annabelle Blanc. She was raised to be an assassin and taught to never fall in love. She’s at the top of her game until she meets Gabriel Sanchez. Totally devoted to her profession, she’s never been naive. Except for when it comes to love. Wealthy, spoiled and self-indulgent, Gabriel Sanchez doesn’t think past his next conquest. Until he sets his sights on Annabelle. Expecting the mysterious Anna to be like every other girl, Gabriel finds himself drawn into a world of deception and murder. As two worlds collide, will Annabelle and Gabriel be able to overcome betrayal, revenge and heartbreak to find love?