After their first adventure with the Hot Tub Time Machine, Lou and Nick are living very well off their ill-gotten gains, while Jacob still cannot rely on Lou to be a positive role model. When an unknown assailant breaks into Lou's mansion and shoots him, Nick and Jacob take him for another trip in the hot tub. They emerge in the year 2025, where they must figure out who shot Lou and prevent it from happening again.
In post-World War II America, a woman, rebuilding her life in the suburbs with her husband, kidnaps her neighbor and seeks vengeance for the heinous war crimes she believes he committed against her.
Margaret and Ben take a weekend trip with longtime friends Ellie and Thomas and their two young children. Eventually, Ben begins to suspect something supernatural is occurring when the kids behave strangely after disappearing into the woods overnight.
