When Alyssa Grant, a student of climatology, loses her brother Ben, she decides to drop everything and head for Tornado Alley. Her goal? Improving the tornado warning system, a project she had begun with her brother and his best friend Wyatt. But she is cruelly lacking in funds.

Then the enigmatic Ethan, a journalism student, offers her a deal: he will finance the expedition if she lets him accompany her. It is love at first sight for her and Ethan. But despite this attraction, Alyssa will not let herself get attached to him, particularly since the young man appears to be harbouring many secrets.

The situation gets more complicated when Wyatt, jealous of Ethan, joins a competing team that has much better resources. Alyssa and Ethan are set for a long and perilous journey...