Kara Steward and Lucas Montgomery have always been the best of friends. As doctors, they're too busy saving the world to commit to anything more. Still, Kara knows exactly who to go to when she needs a little support. But one night she turns to Lucas and…everything changes. And once they've crossed that line to more than friends, it's impossible to go back.

Their situation is even more tangled when Kara's job calls her away for several weeks. How can they talk about the new "them" when she's half a world away? She can't put off this discussion too long, however. Not after she discovers there's a baby to consider….