The one-hundred-year-old Fujiya inn stands in the quiet region of Kyoto. Mikoto is standing in front of the Kibune river at the back of the building when she is called back to work. But two minutes later, she finds herself back at the river again. The whole inn seems to be stuck in a time loop!

私家侦探和田，只接平凡的委托，却总是被卷入到各种不可思议的事件当中。某天，和田接受一位主妇的委托，调查疑似出轨的丈夫，然而...