Olive Smith is a PhD candidate in Biology at Stanford University and only accepts as reality what can be supported by data. As a result, she does not believe in love and long-term relationships at all, even though her best friend, Ann, is an incurable romantic soul.

Wanting to convince her that she is fine and moving on with her life, Olive tells a little lie... that she is dating someone, and that she is happier than ever!

But Ann is not easily fooled. As a true scientist, Olive panics and to prove it to her, she kisses the first man she sees in front of her!

That man happens to be Adam Carlsen, one of the most aloof and demanding professors at Stanford. Surprisingly, Adam agrees to keep her secret and become something like her fake boyfriend, leaving Olive speechless.

And when an unexpected event at a conference puts her career at risk, Adam surprises her again by supporting her. Suddenly, their little experiment seems to be getting out of control and Olive discovers that the only thing more complicated than a theorem about love is putting her own heart under the microscope.