Much of Season 4 of Legends of Tomorrow has revolved around the titular DCTV team facing the demon Neron and upcoming season finale centers on a final confrontation with the villain with the fate of the space-time continuum at stake.

The CW has released the official plot synopsis for the finale, teasing John Constantine and Nora Darhk searching for Ray Palmer while Nate Heywood makes a plan to take the fight straight to Neron and save all of reality. The synopsis for the episode is below:

RELATED: Legends of Tomorrow Picks Up a New Member in the Fight Against Neron

DC’S LEGENDS OF TOMORROW

“Hey, World!” — (8:00-9:00 p.m. ET) (TV-14, DLV) (HDTV)

SEASON FINALE — While on a mission to find Ray (Brandon Routh), Constantine (Matt Ryan) and Nora (Courtney Ford) discover Neron’s evil plan. Nate (Nick Zano) convinces the Legends to think outside the box and suggests a dangerous plan to unite magical creatures and people to save the world. Caity Lotz, Dominic Purcell, Maisie Richardson-Sellers, Tala Ashe, Jes Macallan and Ramona Young also star. Kevin Mock directed the episode written by Phil Klemmer & Keto Shimizu (#416). Original airdate 5/20/2019.

The space-time continuum facing all sorts of supernatural threats thanks to Neron, the Legends will need all the help they can get to take down the demon once and for all.

RELATED: Mick Rory: How Legends of Tomorrow Made Heat Wave a Hero

Airing Mondays at 8 pm ET/PT on The CW, DC’s Legends of Tomorrow stars Caity Lotz, Dominic Purcell, Brandon Routh, Nick Zano, Maisie Richardson-Sellers, Tala Ashe, Matt Ryan, Jes Macallan and Courtney Ford.