Iris Bennington is furious when she discovers her younger brother is following the instructions found in the acclaimed advice columns on How to be a Gentleman. The so-called “advice” is more likely to turn her brother into a scoundrel than a true gentleman. Iris decides to locate the author of the columns and confront him.

Merritt Steel, the Earl of Ashby, cannot help but be amused by the slip of a woman who comes calling. Unwilling to let such a delightful potential conquest go, he proposes a wager: bring him anyone off the street and he can pass them off as a gentleman. It’s a bargain she readily accepts—but with a twist.

Their bargain proves to be a greater challenge than either anticipated. Merritt finds it near impossible to keep his hands off Iris, and she begins to see the undeniable appeal of ungentlemanly behavior…