This TV comedy follows the adventures of Professor Charles (played by Ted Danson), a widower bored with his retired life. He answers an ad placed by Julie (played by Lilah Richcreek Estrada), a private detective. She hires him to pose as a new resident in a San Francisco retirement home, an activity known as "undercover work". His task is to investigate a jewel thief and other suspicious incidents among the nursing home's residents and staff. Charles quickly makes friends with new people, which complicates his mission...