Missing Persons (1990)

In this unsold pilot for what would ultimately become "Hetty Waintropp Investigates" six years later, Hetty is approached by Frank Cross, husband of her oldest and dearest friend Edith, to locate his son Bernard from his first marriage, an only child whom he hasn't seen in fifty years. However, by the time Hetty finds him, Frank has changed his mind and no longer wants to meet his son. Ironically, Bernard's sixteen year-old son Geoffrey has run away from home and Hetty finds herself on another missing persons case.