Tora‑chan and Miike are playing while their older sister prepares for her wedding. Suddenly a letter arrives from Grandfather, declaring that he will not allow the ceremony to take place as long as he is alive. Determined, the bride and groom rush to the church to be married before Grandfather, the old cat, can intervene, but his boat has just arrived. Can Tora‑chan and Miike keep the cat distracted long enough to keep their sister’s special day uninterrupted?