They both take place in a very tall building during a zombie outbreak in Seoul. In this one the male leaded named Joon-woo wakes up to find out that a zombie outbreak happened after a late night of video gaming. He struggles to survive and is worried about his parents who left him home alone before all this chaos plays out.
It all starts when a human trafficker is infected with an unknown virus and dies in a Bundang hospital, covered in oozing red rashes and coughing up blood. Within hours the virus spreads all over the city and death goes viral as the body count rapidly rises. Medical professionals are in a panic over the mystery killer virus and soon the government orders the military into quarantine the entire area — no one gets in, no one gets out. Desperation and violence grip the public as the infected and non-infected struggle for life and everything begins to spiral out of control. so both the drama and movie Revloves around zombie flu.
Happiness is a gripping survival thriller set in a high-rise apartment during a viral outbreak. Both shows focus on survival and how people stay strong during tough times. Happiness had suspense and deep emotions. The story highlights human nature under pressure, focusing on trust, resilience, and the bonds that form in crisis.
