威利斯饰演的私家侦探史蒂夫的宠物狗被掳走,自此他的工作和生活成了一团乱麻,为救出爱犬巴迪,史蒂夫与杰森·莫玛饰演的黑帮头子斯派德达成神秘协议。Steve Ford (Bruce Willis) is a down but not out L.A based Private Investigator whose professional and personal worlds collide after his loving pet Buddy is stolen by a notorious gang. A series of crazy circumstances find him doing the gang's bidding, while being chased by two vengeful Samoan brothers, a loan shark's goons, and a few other shady characters. They say a dog is a man's best friend, and Steve shows how far a man will go to be reunited with him.