In the town of Silverton, Oklahoma, the local high school senior class is preparing for graduation. The high school's vice-principal, Gary Fuller, has asked his two sons, Trey and Donnie, to record messages from the seniors for a time capsule to be opened in 25 years. Elsewhere, Pete, a veteran storm chaser, has been attempting to intercept and film tornadoes using a Tornado Intercept Vehicle nicknamed Titus, but has come up short all year long. Upon learning of a major line of developing storms, the chasers decide to head for Silverton in hopes of filming tornadoes. After arriving in Silverton, the team discovers that the cell they had be.
