Lifelong best friends Alexa and Katie are eagerly anticipating the start of their freshman year of high school. The pals confront a crisis that leaves them feeling like outsiders at a time when what seems to matter most is fitting in.

Jess and Hannah, who made a pact at 13 to have the perfect senior prom. Despite the impending changes that college will bring over the next four years, the two are committed to honoring their prom pact. But with only 24 hours left before the big event, everything falls apart when they break up with each of their dates. Jess and Hannah are left with one night to find new dates and live out their middle-school fantasies.

Native folklore says the Lady of the Lake will take any man who enters her domain. A young Native American woman, grieving the loss of her brother in the lake, is determined to uncover its secrets.