Shimizu Yuichi is a young man who takes care of his grandparents in a decaying fishing village in Nagasaki. His grandparents raised Yuichi instead of his mother. Yuichi, a lonely man, works as a civil employee.
One day, Yuichi meets Ishibashi Yoshino an insurance sales woman from Fukuoka. They first met through an online dating site. Their meeting ends in tragedy with Yuichi murdering Yoshino. Unexpectedly, a rich young university student from
