A young lady waits for bus at bus stop as usual. One day, she met an elderly wore a scarf knitted on her own. He told her it was given by her wife. He is going to a cafe with the scarf to recall some old memory. Coincidentally, that is the cafe the young lady used to go. She feels that the elderly is with Alzheimer and mistakenly takes her scarf. While chatting with him, she realizes her own secret.