After hating the arrogant billionaire, what will you do? It all started when she bumped his car. Phyton Delos Santos, a company CEO. Serious and strict in terms of work. He is the boss not until he fell in love with Engr. Custavo. Sierra Nicole Custavo, an Engineer. She works under Mr. Delos Santos and she hated it. Lagi siyang naiirita sa kaniya dahil mayabang ito. Sa takbo ng panahon, ang pagkairita niya ay napalitan ng pagkamangha at paghanga sa sarili niyang boss. Will she still hate him? Or love him?