Because this year is a leap year and Sue's birthday falls on February 29, she is overly excited about celebrating her big day in a big way. But given her parents' track record with celebrations, Sue may need to lower her expectations. Meanwhile, Frankie discovers that tough husband Mike has been taking care of a stray cat at work for years, Brick falls for a pretty girl in his social skills class, and Axl becomes enthralled with vacuuming the house.