The story follows Sang-hwan (played by Ryoo Seung-bum), an honest but somewhat bumbling and socially awkward rookie police officer. His life takes a drastic turn when he accidentally crosses paths with a group of "Seven Masters"—ancient Taoist practitioners living undercover in the modern world as ordinary citizens.

"Arahan" resonates deeply with Malaysian audiences due to its authentic representation of campus life and its nuanced portrayal of intergenerational relationships. Key themes include:

: The film is noted for its ability to shift quickly between "silly gags" and "serious action," utilizing a tongue-in-cheek tone.

: The Masters believe Sang-hwan has the "Qi" (spiritual energy) to become a Maruchi (a powerful warrior). He begins rigorous training to stop an ancient, evil warrior who has been unleashed to destroy the world. Key Technical Details : Ryoo Seung-wan (known for The Unjust