They have to stop meeting like this.

After a disastrous meet-cute turns into repeated meetings, a flighty free-spirit and a stodgy rule-follower come to realize that one they can't get away from ... is the one they can't live without.

Mackenzie 'Mac' Austin just wants what any modern, commitment-phobic woman in New York wants: a no-strings-attached hook-up, steamy enough to brag about over mimosas the next morning. What she doesn't want is her dating app's latest suggestion: preppy, corporate Thomas Decker. So, obviously, she rejects the guy without a second thought. There's just one snag: he's sitting next to her, so he witnessed her do it. And now he's calling her out.

After the initial embarrassment, Mac is determined not to let it bother her, but fate has other plans—and Thomas isn't going anywhere. First, he pops up as her new boss. And then he reappears as her best friend's soon-to-be brother-in-law.

As the not-so meet cutes add up, Mac is sure that uptight Thomas is the last man that a free-spirit like her should want. Only the more time she spends with him, the more Mac realizes that the man she can't get away from has become the same one that she wants to keep close ...