Desperate to repay his debt to his ex-wife, an ex-con plots a heist at his new employer's country home, unaware that a second criminal has also targeted the property, and rigged it with a series of deadly traps.
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.
A couple experiences a defining moment in their relationship when they are unintentionally embroiled in a murder mystery. As their journey to clear their names takes them from one extreme – and hilarious - circumstance to the next, they must figure out how they, and their relationship, can survive the night.
