"If I find out that you've been daydreaming about another man, I'll take you right then and there in front of him" Two women chasing peace. Two men willing to burn the world for them. Between justice and obsession, love finds its way. Each heart in this story breaks the rules. Each one... an Illegal Heart.

When Hailey Evans, an aspirant employee of the marketing department in one of the most wealthiest companies in the states finds herself in trouble with the arrogant, cold hearted CEO Ian Kingston, she pulls a trick no one has ever done. And in return he gives her a disastrous kiss that turn her world upside down. One party. One kiss. And the next thing she knows, she's a billionaire's fiancé.