The opening of his new dental office gives Mark such a case of the jitters that he may give up his practice before the first patient walks through the door.
Schneider gets a new lease on life after he's accidentally electrocuted, then revived, a hair raising experience in which he claims he died and came back to life.
Ann receives an offer to be in charge of a marketing enterprise in England. She's concerned for family & friends and also worries about taking this big step that would change her life.
When his brother dies, Schneider decides to move there to take care of his niece and nephew. It's hard, but then Ann, Barbara and Julie are all gone and thus the series ends. Schneider will be taking life himself "One Day at a Time."