Ean (Kim Tae-ri) finds herself trapped in the distant past while attempting to prevent the escape of alien prisoners locked inside human bodies. In her quest to return to the present, she discovers the Divine Blade, a powerful weapon that can open a door through time, and sets out to find Thunder (Kim Woo-bin) to aid her journey back. Meanwhile, Muruk (Ryu Jun-yeol), who assists Ean in her escape from various dangers, becomes increasingly uneasy as he senses the presence of a mysterious being within himself.

From The Big Swindle (2004) and Tazza: The High Rollers (2006) to Woochi (2009), The Thieves (2012), and Assassination (2015), Director Choi Dong-hoon has continuously redefined the landscape of Korean cinema with his bold exploration of diverse genres. Alienoid: Part One (2022) marks Choi’s first venture into a two-part serial film, showcasing his boundless imagination and sophisticated filmmaking techniques. Alienoid: Return to the Future will captivate audiences with its vibrant narrative, quick pace, unpredictable fun, and overwhelming spectacle.