Isabella is the heiress of the Mafia. She hides her identity and falls in love with Ethan, who has nothing. On the day of Ethan's proposal, Ethan misunderstands that Isabella is dating a rich man and they break up. Three years later, Ethan becomes the CEO and the two meet again. They thought that the simple misunderstanding could be resolved, but Sophia instigated it again, causing the misunderstanding between the two to continue to intensify. Even though Isabella is pregnant with his child, Ethan still doesn't believe that the child is his. Until Isabella lost the child due to Scphia's frame-up. Isabella is heartbroken and uses the power of the Mafia to expose Sophia! When Ethar discovers the truth, he starts to chase his lost love.