Yet to fulfill their rock and roll destiny, the now middle aged best friends Bill and Ted set out on a new adventure when a visitor from the future warns them that only their song can save life as we know it. Along the way, they will be helped by their daughters, a new batch of historical figures, and a few music legends — to seek the song that will set their world right and bring harmony in the universe.

Two Arkansas firemen, Vince and Don, get hold of a map that leads to a cache of stolen gold in an abandoned factory in East St. Louis. What they don’t know is that the factory is in the turf of a local gang, who come by to execute one of their enemies. Vince sees the shooting, the gang spots Vince, and extended mayhem ensues. As Vince and Don try to escape, gang leader King James argues with his subordinate Savon about how to get rid of the trespassers.

Amiable slackers Bill and Ted are once again roped into a fantastical adventure when De Nomolos, a villain from the future, sends evil robot duplicates of the two lads to terminate and replace them. The robot doubles actually succeed in killing Bill and Ted, but the two are determined to escape the afterlife, challenging the Grim Reaper to a series of games in order to return to the land of the living.

In the small town of San Dimas, a few miles away from Los Angeles, there are two nearly brain dead teenage boys going by the names of Bill S, Preston ESQ. and Ted Theodore Logan, they have a dream together of starting their own rock and roll band called the “Wyld Stallyns”. Unfortunately, they are still in high school and on the verge of failing out of their school as well, and if they do not pass their upcoming history report, they will be separated as a result of Ted’s father sending him to military school. But, what Bill and Ted do not know is that they must stay together to save the future. So, a man from the future named Rufus came to help them pass their report. So, both Bill and Ted decided to gather up historical figures which they need for their report. They are hoping that this will help them pass their report so they can stay together.

After Charles Forsyth was sent to the electric chair for a crime he didn’t commit, he forever haunts the prison where he was executed. Flash forward several years when the prison is reopened, under the control of its new warden Eaton Sharpe, a former security guard who framed Charlie. When prisoners are ordered to break down the wall to the execution room, they unknowingly release the angry spirit of Charles Forsyth, a powerful being distributing his murderous rage to all, leading up to the Warden himself.

Henry Spencer tries to survive his industrial environment, his angry girlfriend, and the unbearable screams of his newly born mutant child.