Jeff Miracle, a 35 year old man who is still single and a workaholic. he has to take care of his half-brother's 20 year old son who is a brat. why didn't Jeff refuse? the answer was because he didn't know that his damn nephew would become that delinquent. His half-brother was very independent and responsible, he wondered why his son behaved the opposite way. that's why whether you like it or not he becomes overprotective, just for the good of the boy.