Why would anyone kill sweet old Rosie Sunset, who sold maps to the movie stars' homes? An heiress who was seen giving Rosie a ride; Rosie's neighbor, a Russian sculptor with a sexy sister, whose work mysteriously has appeared in Rosie's apartment; a neurotic, workaholic printer on the ground floor of Rosie's building; an accordion player who suddenly disappears after being questioned; and Rosie's estranged step-son who needed Rosie's money for his florist business — all fall under suspicion. The solution lies in Rosie's past hospitalization and her late husband's "hobby."