A half-human, half-dragon girl grows up with her three adoptive fathers. While struggling to adjust to her life with humans, she discovers that she has the power to create fire every time she loses her temper.

Edgar fails to enter the international dream team because of his previous encounter with Rona. Harboring a grudge against Rona, Edgar plans to break her heart.

Edgar's plan to make Rona fall in love with him goes smoothly until his girlfriend unexpectedly comes home. The love triangle gets more complicated when Alice recognizes Rona and Ella from a past encounter.

Just as Rona is finally ready to give her heart to Edgar, she finds out about his real motive. Furious and emotional, she unleashes her anger through her pyrokinetic abilities.

Rona finally discovers her real character as her long-lost brother, Rafael, narrates how their mother died and tells her about the Tagon's history. The siblings' reunion is immediately cut short as Rona uses her power to fight her brother.

Rona's life seems to be getting better as the people who used to fear her now adores and idolizes her. As Rona and Rafael's identities are exposed to the public, another threat comes their way.

Rona faces new challenges as Rafael's power lands in the wrong hands. The situation gets worse when Rona's power is jeopardized because of her uncontrolled feelings for Edgar.

Rona tries to fight the Tagon's curse as she faces Alice in their last battle. Aware of the curse, Edgar puts his life on the line in his attempt to protect Rona. The firefighters join forces with Rona to stop Alice's rage.