“One Hell of a Christmas” is a thrilling dark comedy filled with action, set against the backdrop of a contemporary city and a menacing underworld. After serving a two-year prison sentence, Carlitos is determined to turn his life around and be a role model for his five-year-old son. Despite rejecting a friend’s sinister and terrifying scheme for easy money and fun, he soon becomes ensnared in a chaotic mix of sex, drugs, and holiday tunes.