A young girl institutionalized by her abusive stepfather retreats to an alternative reality as a coping strategy and envisions a plan to help her escape.

Five years after the events of the first film, Lou Dorchen and Nick Webber have become Wealth and Celebrity, with Lou becoming a multi-billionaire and Nick being a successful music singer. At Lou's celebratory party, Lou is shot in the groin. Jacob (Lou's son) and Nick drag him to the hot tub time machine and activate it to travel back in time to find and stop the killer. When they awaken they find themselves ten years in the future, where Jacob is in charge of Lou's mansion. After determining that they are in an alternate timeline where Lou's killer is from this future, they go to their friend Adam Yates's home, only to meet his son Adam Yates Stedmeyer (Adam Jr.) who is engaged to a girl named Jill.

In the dead of a Wyoming winter, a bounty hunter and his prisoner find shelter in a cabin currently inhabited by a collection of nefarious characters.

The Knight Jean de Carrouges must settle the dispute over his wife Marguerite by challenging his former friend to a duel to the death.

In a gritty and alternate 1985 the glory days of costumed vigilantes have been brought to a close by a government crackdown, but after one of the masked veterans is brutally murdered, an investigation into the killer is initiated. The reunited heroes set out to prevent their own destruction, but in doing so uncover a sinister plot that puts all of humanity in grave danger.

The first scene shows Agent Sam Stanley and Agent Chet Desmond late at night after performing the autopsy on the body of List of Twin Peaks characters#Teresa Banks as they discuss how much time had passed since they entered the morgue. Later, they arrive at Hap’s Diner, where Teresa once worked the night shift as a waitress, and question the owner of Hap’s about Teresa. Sheriff Cable of Deer Meadow goes outside with Desmond, and fights him over taking the body of Teresa with him back to Portland, which took the murder investigation out of the hands of the local and corrupt Police Department. Later, Special Agent Dale Cooper is shown in a doorway in the Philadelphia headquarters of the FBI talking to his secretary Diane. Next, Cooper meets Sam Stanley after Desmond went missing.