At the Hirata home, three generations of their family live together. A crisis ensues when one afternoon, housewife Fumie falls asleep and wakes up to find a thief has stolen her secret money she kept hidden in the refrigerator.

What a Wonderful Family! is a delightful comedy that revolves around the challenges faced by a Japanese family. The story follows the trials and tribulations of a married couple who have been together for over fifty years. When the wife decides to ask for a divorce, it sparks a series of unexpected events that put everyone in the family through hilarious and heartwarming situations. As they navigate the complexities of family relationships and cultural traditions, they come to realize the true importance of love and togetherness.

What a Wonderful Family! 2 is a comedic portrayal of the ups and downs of a Japanese family as they navigate through the challenges of everyday life. Filled with laughter, love, and relatable moments, this film brings to light the complexities of familial relationships and the importance of cherishing the bonds we share.