On Christmas Eve, a group of engineers at a startup is scrambling to fix a severe security bug that went unnoticed since September, leading to tension and blame among the team. As they struggle with debugging and testing issues, a surprise visit from a Santa Claus-like figure offers unexpected guidance. He introduces continuous integration and continuous deployment (CI/CD) practices, emphasizing the importance of robust testing to prevent similar issues in the future. His visit inspires the team to resolve the bug, update their project goals, and embrace the principles of CI/CD, ultimately bringing a sense of relief and holiday spirit back to the office.