A nostalgic horror-comedy directed by Kyle Mooney, a group of teens, led by the shy Eli (Jaeden Martell) and his exuberant friend Danny (Julian Dennison), face an unexpected threat when a Y2K virus transforms their electronic devices into murderous machines during a New Year's Eve party. As chaos ensues, Eli must confront his feelings for Laura (Rachel Zegler) while navigating friendships and survival amidst the apocalyptic mayhem.