the drama is adapted from the novel of the same name by writer han sang-yun. it is set in the background of the air defense force in the high-rise building in seoul, telling the story of the desperate battle between military talent and his just-breaking girlfriend young-joo and the zombies.
the drama explores the true meaning of "happiness" by presenting a variety of marriage appearances such as divorce, remarriage, and pre-marriage. it is a family tv series that attempts to make all generations feel and be happy.
