Middle-aged salaryman Hiroshi Nakahara accidentally takes a train ride back to his old hometown to visit his mother’s grave. Then for reasons he can’t explain, Hiroshi is transported back in time, and di...

The typical Kochikame plot involves Ryo-san coming up with a money-making scheme by inventing a new gadget or capitalizing on a fad, achieving great success, calling on Nakagawa's help as things turn sour, a...