When baseball pitcher and permanent bachelor Alex Rasmussen needs a plus one for a holiday gala, his best friend's flaky sister-in-law Lucy Monroe is the worst choice ever.

Despite her past reputation, Lucy is trying to change her life by not chasing the wrong man, not flaking out, and not flitting from job to job.

But as the one night turns into more, will Alex convince her that the heat between them is not just for the holidays?