When Takeru adopts his new pet, he's in for a surprise-the dog is none other than the reincarnation of Sherlock Holmes, the famous detective. What's more, this Sherdog" has decided that Takeru is the reincarnation of his long-time assistant, Dr. Watson. Takeru may think Sherdog (or he himself) is crazy, but with no one else able to communicate with Holmes, he's roped into becoming the canine's assistant all the same. Using his exceptional sleuthing skills, Holmes uncovers clues to solve the trickiest crimes."
At Takeru's first game at a real golf course, he has the fortune of meeting Hanabusa, a pro golfer who just won the Japan Masters. He agrees to play a round with Takeru and his father. Little do they know he is there for more than a game of golf.