探險越野運動員麥可（馬克華柏格飾演），與他率領的隊伍，多年來從未獲得金牌。一心渴望成為世界冠軍的他，決定參加完「最後一次」比賽後，就要結束自己的運動員生涯。為此，麥可到處奔波，更投入畢生積蓄，找回前搭檔利奧（劉思慕飾演）、王牌新秀奧莉薇亞（娜塔莉伊曼紐飾演），以及熱血老將奇克（阿里蘇利曼飾演）共組王牌團隊，飛往多明尼加共和國參加世界冠軍賽。比賽途中，麥可偶遇一隻滿是傷疤的流浪狗，於是將午餐的肉丸分食給牠，便再度展開比賽。不過他萬萬沒想到，這隻流浪狗不僅跟上隊伍的腳步，甚至還在危急時刻救了他們一命！麥可和隊友們決定將牠取名為「亞瑟」，並帶著牠一起上山下海，挑戰這趟總長近700公里的比賽。四個人類一隻狗，他們能否一起成功完賽？途中又將遭遇什麼驚險的阻礙呢？
13-year-old Corrine deals with her parents' recent divorce while everyone else is already adapted to their new roles as a blended family, challenging herself to train a rambunctious puppy as she discovers her new purpose.
When Bigshot Jones gives his unnamed dog to the All-For-One Club, Buckwheat quickly names the canine "Smallpox", inadvertently causing a city-wide panic.
This sweet and inspiring documentary explores the highs, lows and daily realities of running a dog rescue. It tells the story of Diana England, a retired nail-stylist, who started her own animal rescue in Las Vegas, A Home 4 Spot.