When the Retirement Castle and the V.A. Hospital can't solve Grampa's health issues, the Simpsons decide to take a family trip to Cuba to get him cheap medical care. Blackboard: 'Being right sucks'.

A workplace accident leaves Homer in a cast, and in a position to sue Mr. Burns. This leaves Marge unfulfilled, so she turns to an unexpected source for romance. Meanwhile, Lisa is made "Bus Monitor" and tries to keep the peace.