Although a viscountess, Shion's family is poor and deeply in debt. Their last hope rests on Shion's fiance, Leo. However, despite borrowing all that money to meet Leo's expectations, he breaks off their engagement. Ready to give in to despair, Shion receives an invitation from a wealthy baron's son, Charlie. Determined to get back at Leo, Shion asks Charlie to help teach her how to make money. As they continue to work together to build up a hot spring, will love spring forth...?