Three couples facing emotional crisis start an 18-day trip in two RVs.

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The year 2024 is the 10th year of the Grand Canal's successful application for World Heritage. In order to spread the pulse of the times when the thousand-year-old Grand Canal flows to the current day, and polish the Chinese cultural card, "The Grand Canal" opens a new chapter of documentary on the Grand Canal. The scholars from various fields and young talent representatives organize into a "Canal Visiting Group" and embark on a journey along the Canal, and each episode will bring them together in a city along the Canal. Through in-depth field visits, "Shining Night" with local characteristics, and in-depth chats about the "Opening of the Canal", the "Canal Visiting Group" will lead the audience to experience the blending of the Canal's history and modernity, and present the long-standing and well-established cultural essence of the Canal to everyone.