Rainie Yang, the poor and desperate girl who was rescued by Tavia Yeung, has decided to devote her life to serving Tavia as a servant. But this rich princess is hard to serve, with her arrogant attitude and her abnormal attraction to problems, Rainie finds herself in a world of excitement.

Rainie's life would've been fine and happy with just her and her princess Tavia if he didn't appear - Mike He - the guy Rainie secretly loves and is the fiance of Tavia.

At the same time as Rainie is torn between her loyalty towards Tavia and her love for Mike, Tavia finds herself lost in a heaty desire for the mysterious idol - Raymond Lam.

How will the Princess and Servant deal with such unrequited desires?