Documentary series about double glazing company U-Fit, run by Ann and John Armstrong. After nine years co-running U-Fit, Ann's fed up with the hassles of the window game and is trying to talk John into concentrating their efforts on their new sign business. They decide to launch Usignia at Sign UK, a major exhibition at the NEC. But John has an idea that could give their exhibit some extra clout. He wants to first exhibit at the International Sign Exhibition in Las Vegas.