Moon Byeong-ju

Due to sudden deteriorating weather conditions, visibility on the Airport Bridge is severely impaired, leaving people stranded and at risk of the bridge collapsing due to a series of chain collisions and explosions. Amidst the chaos, the canine subjects "Echo" from the military experiment "Project Silence," who were being transported in secret, break free, and all human survivors become targets of relentless attacks.

Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.

Children who live in hiding with superpowers, along with their parents who live with painful secrets of the past, face enormous dangers together.

Three siblings, exhausted by the monotony of day-to-day adulthood, seek to find fulfillment and freedom from their unremarkable lives.