A group of unlikely heroes from across the Korean peninsula try to save the day after a volcano erupts on the mythical and majestic Baekdu Mountain.

A serial killer ruthlessly hunts down a deaf woman through the streets of South Korea after she witnesses his brutal crime.

While trying to borrow money from a suspicious woman, Young-gil is in charge of a suspicious bag.. It seems that something terrible is in the bag, so Yeong-gil begins to be chased by herself.

Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.

Hee-Joo quits school as a result of the incessant bullying. She stays at home and surfs the internet all day. She meets Dong-Ha online, and he teaches her hypnosis so as to improve her confidence. However, Hee-Joo decides to use the hypnosis for other reasons…

A job seeking dreamer Yong-jun works part-time at his parents' lunch box house. Yeo-reum lives only to support for hearing-impaired swimmer sister. One day, Yong-jun meets Yeo-reum while delivering lunch boxes and falls in love at the first sight. Yeo-reum slowly opens her heart to warm-hearted Yong-jun.