The Staffords refuse an offer from an agribusiness representative. A tornado hits the farm.
B.L. and Tom have a fight and B.L. runs from the house. Johnny goes skinny-dipping.
Johnny falls in with the cool 17 year olds who convince him to sneak out of the house to a Lincoln nightclub. Meanwhile, Grandpa is belittled and walks out of the house. Unfortunately, Johnny is arrested wearing a dress and must face his friends and school. Grandpa misses the kids and decides to return home after spending time with a lover.
Casey thinks she is pregnant. Johnny goes deer hunting.
Tom attends an auction. B.L. accompanies Kim on her trip to New York City to apply to Juilliard.
Tom and B.L. have to share a bed when they go for a trip to Kansas. Johnny buys an old motorbike.
As Amy and Ty prepare for parenthood, they work together to resolve a dangerous pregnancy issue. Meanwhile, Georgie may be forced to give up something she loves when a demanding new Extreme Team coach arrives on the scene. Then, Lou has to decide whether she should tackle a new business venture that may take her away from the Heartland family. When Jack and Mitch work together with the herd, Tim is not ready to be pushed aside. And Georgie and Adam find the perfect way to celebrate an anniversary.