During the Christmas party at NTSF:SD:SUV boss Kove's house, someone or something starts killing off the NTSF:SD:SUV team one by one. Good thing they have hand-held cameras and in-house surveillance.
It's an NTSF:SD:SUV:: Christmas which means murderous Santas, the gift of corpses, and verbal slights to all other religions. This year, Trent's children learn the true meaning of Christmas when a terrorist Mall Santa takes over the mall, trapping them inside with only their wits as weapons, while locking out the rest of their team, desperate to get in and continue shopping for last minute gifts.
Between 1968 and 1983, a San Francisco cartoonist becomes an amateur detective obsessed with tracking down the Zodiac Killer, an unidentified individual who terrorizes Northern California with a killing spree.
