Trek follows a young Mormon teenager named Tom and his friends on their handcart journey. Along the way they try to smuggle in unsanctioned food, battle sibling rivalry, encounter a "special ops" Young Men's leader, match wits with a twinkie-loving skunk, and ponder doctrinal brain teasers like, "Do general Authorities go to PG-13 movies?" But, when they encounter unexpected trouble, their faith is tested much like their pioneer ancestors.

布莱杰（拉奇•布鲁•史密斯 Lucky Blue Smith 饰）拥有先天性的心脏病，这也就意味着，他有可能在他人生中的任何一秒病发死亡。唯一能够拯救他生命的手段就是进行心脏移植手术。布莱杰的父亲很早就离开了他，是母亲海伦（艾米丽·普格特 Emily Procter 饰）一直不离不弃的照顾着他。 在海伦的努力下，布莱杰终于接受了手术，可是即便换上了新的心脏，布莱杰的生命依然早已经进入了倒计时的状态。布莱杰希望在仅剩不多的日子里找到真爱，于是海伦带着儿子，揣上全部的积蓄，踏上了寻爱之旅，因为海伦始终坚信，希望永远在远方。