Kang Woo-ram is busy preparing to get a job. Lee Hyun-ji is a would-be anchor, but she works at a homemade hamburger restaurant. One night, Woo-ram visits the hamburger restaurant and orders a double patty hamburger, which has a "buy one, get one free" sale. This is how their relationship begins.

A girl wakes up in a huge secret laboratory, then accidentally meets another girl who is trying to protect her house from a gang. The mystery girl overthrows the gang with her unexpected powers, and laboratory staff set out to find her.

Carter, who awakens two months into a deadly pandemic originating from the DMZ that has already devastated US and North Korea. He who has no recollections of his past finds a mysterious device in his head, and a lethal bomb in his mouth. A voice in his ears gives him orders to avoid getting killed and he's thrown into a mysterious operation while the CIA and North Korean coup chase him close.

The story of a music student who secretly practices piano at a junior's house to get an opportunity to study abroad, but runs into catastrophe when he encounters an unexpected guest.

Disillusioned with her work life, Mun-gyeong goes on a vacation to Mungyeong City on a whim. There, she and Ga-eun, a Buddhist nun who was taking travelling practice, rescue a stray dog, Gil-soon. The three unite and spend a night of emotional solidarity at an old lady's house.

Ji-seok is a director. He has been struggling because of the money needed to produce films. Song PD, Ji-seok's colleague, introduces him to an actress, Hong Mi-ran. Hong, now with terminal disease, agrees to pay for all the production costs under the condition that she must be the lead. The lifetime project of the troubled souls—would this make it through to the end?

Kang Woo-ram is busy preparing to get a job. Lee Hyun-ji is a would-be anchor, but she works at a homemade hamburger restaurant. One night, Woo-ram visits the hamburger restaurant and orders a double patty hamburger, which has a "buy one, get one free" sale. This is how their relationship begins.