The Mukai couple, on their long-awaited honeymoon trip after four years, and the Satsuki couple, reunited for a trip after five years, finally arrived at their planned luxurious inn. However, disaster struck! Due to a travel agency blunder, their room was double-booked. While the agency scrambled to find an alternative, it was a bare-bones, no-meals-no-bath hotel. With their excitement turned to frustration, tensions rise. But then, the wives propose a solution: let's all stay peacefully in this one room together... .
