Minxy and Mr White embark on a journey to the glittering city of Las Vegas when they receive a distress call from their friends, Pinky and Chessie, the Wonder Twins. The city's Christmas lights have been vanishing without a trace, prompting the duo to investigate. Joining forces on their eighth mission, the intrepid pair endeavours to solve the puzzle before Christmas dawns. With time ticking, Minxy and Mr White are determined to uncover the mystery behind the disappearing lights and restore the holiday cheer to Las Vegas.