Harper has three rules for the summer before senior year:

1. Have Fun

2. Don't get attached to anyone from work or school

3. Forget about ex

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After a crash and burn relationship, Harper keeps things casual, which leads to people thinking she's loose, but it's better than having her heart broken again.

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New co-worker Lincoln intrigues her but dating him would break her rules. Lincoln is a rich kid with no real world experience and has had no challenges to overcome. He proposes that Harper give him a relationship experience before he goes off to college, and in return their relationship will calm the mean gossip about her. With a team up like this, what could go wrong?