Mr. Burns has a near-death experience which prompts him to find an heir to inherit his wealth after he dies. Bart is rejected, but Burns soon decides to choose him after seeing that Bart is "a creature of pure malevolence". Marge convinces Bart to go spend some time with Burns, and soon becomes more disruptive than normal to his own family and decides to go live with Mr. Burns. Bart eventually starts to miss his family, but Burns manipulates him into staying. Burns tries to have Bart prove his loyalty by firing Homer, but Bart instead decides to go back to living with his family.