After five years of marriage to my wife, Kana, we finally went on a long-overdue trip together. She was as lively as ever, enjoying our stay at a famous resort hotel. But after check-in, I became absorbed in work and failed to notice her growing loneliness. During that time, Kana went alone to the pool, where she happened to meet another man. Soon, she began spending time with him at the bar, then at the casino, while I remained completely unaware. It wasn't until I spotted them at the night pool that I finally realized where she had been disappearing to...