Four years after the events of Halloween in 2018, Laurie has decided to liberate herself from fear and rage and embrace life. But when a young man is accused of killing a boy he was babysitting, it ignites a cascade of violence and terror that will force Laurie to finally confront the evil she can’t control, once and for all.
After Dexter is confronted with robots who wish to \"destroy the one who saved the future,\" he uses his time machine to see how he saved it. They declare that they are here to destroy the one who saved the future, and make ready to attack Dexter. Dexter easily destroys them with the use of various tools and gadgets from his lab. However, news that he is \"The One Who Saved the Future\" intrigues him, and he decides to travel through time to discover how cool he is. In the first time period he visits, Dexter finds a tall, skinny, weak version of himself working in office-designing cubicles, with Mandark as his rich, successful boss. The child Dexter unwittingly reveals the existence of blueprints regarding the \"Neurotomic Protocore\", and Mandark steals it after the two Dexters move forward in time.