加菲猫从小到大的生活都沉浸在――高热量的食物，睡觉，捉弄愚蠢的狗狗和主人乔恩•阿卜(布瑞金•梅耶 Breckin Meyer 饰)的宠爱中，加菲觉得这就是完美的生活。直到有一天，乔恩带加菲去宠物医院时，受美女兽医所托领养了小狗欧弟，加菲的生活彻底改变。 欧弟的到来意味着要和加菲分享食物和阿卜的宠爱，更让加菲嫉妒的是阿卜和美女兽医约会竟然带欧弟而不带它。加菲恨不得将欧弟赶出家门。一晚，加菲将欧弟关在门外，原只想惩罚一下欧弟，没想到欧弟走失了。 阿卜四出寻找欧弟未果。加菲通过调查，得知欧弟被残忍的训狗师捉走了。加菲决定大展身手，只身前往救出欧弟。

Father Joe Dasco, played by actor Bing Russell, is realeased from prison after servering a three year term for bank robber. He reunites with his ten year old son, played by actor Billy E. Hughes, Jr. The two go from place to place looking for work in the oil fields of Texas. Not able to hold a job, Joe Dasco, Sr. along with actor, Bill Foster and Robert "Whitey" Hughes, scheme a kidnapping of an oil barons son, played by Christopher Wayne. The kiddnapping goes sour and Joe Dasco is shot and killed, leaving his Joey [Billy E. Hughes, Jr.] to be award of the state