After the death of her parents, Miss Jane Chatham found herself without a home or funds. Refusing to wallow in self- pity, Jane came to London and started a business. She convinces Lady Harwood to hire her to teach her toddler and friends to dance. Jane's classes are the rage as her mentor's guests peek in. Lady Harwood loves the attention as visitors pack her afternoon teas. After a session with the moppets, Lord Granger approaches her with a proposal. He asks her to spy on the guests and report to him. Jane could add considerable money to her savings, while her dull life could become exciting.

Simon Atwood, Lord Granger, has been in seclusion since being released from a French dungeon. His mission was betrayed by his mistress, whom he loved. It only reinforces his belief that women can never be trusted. He believes his days of spying are over until his friend begs a favor. Would he watch Lady Harwood and note her activities? Simon agrees and hires the dance instructor as one of his informers. He enjoys their clandestine meetings, but does not trust Jane. She seems an innocent, but then a remark or a look will have him wondering about her loyalty.

Jane loves the constant bantering, which eases the sexual tension between them. Simon only wants a mistress, not a wife. Jane cannot afford to lose her reputation. They continue to work together until an attempt is made on Simon's life. The laughter and gaiety ends as they try to discover who wants Simon dead.

Ms. Layton enlivens her new historical with an assortment of dancing toddlers whose comical antics are priceless. It lightens the intense drama that occurs between Jane and Simon. Ms. Layton's portrayal of the struggle with trust and the personal choices they make will tug at readers' hearts.