The mysterious death of eccentric millionaire Samuel W. Westing brings together an unlikely assortment of heirs who must uncover the circumstances of his death before they can claim their inheritance.

Seventh-grader Georges adjusts to moving from a house to an apartment, his father's efforts to start a new business, his mother's extra shifts as a nurse, being picked on at school, and Safer, a boy who wants his help spying on another resident of their building.

While sorting through difficulties in her friendship with her neighbor Margaret, eight-year-old Clementine gains several unique hairstyles while also helping her father in his efforts to banish pigeons from the front of their apartment building.