Mike and Carol have just one week to come up with $20,000 in back taxes or they'll lose their house to a scheming neighbor. To make matters worse, Marcia gets a swollen nose on date night, Cindy's addicted to tattling, and Jan's hearing a psychotic inner voice crying "Marcia, Marcia, Marcia!" Of course, these are The Brady's, and when the kids enter a talent contest with a $20,000 purse...well, let's just say, "It's A Sunshine Day!"