Mi-ja, who has been taking care of a retired teacher, Ms. Park, invites several of her former students to her house 16 years after their graduation. Since the end of her teaching career, Park has been residing in the countryside, suffering from an illness while an ex-student, the kind and pretty Mi-ja cares for her.
People binge eat and suffer from extreme thirst, which leads them to go crazy for water. They cannot control themselves because they are brainwashed by a parasite.
Kang-soo is a third-rate street thug in Busan; he's an alcoholic and gambling addict who's always on the run from loan sharks. But when his rebellious teenage son Jong-chul is diagnosed with kidney cancer, he tries to be a real parent for the first time and seeks out Jong-chul's biological father, Tae-suk, a pimp. Tae-suk, however, refuses to help.
A low-life scumbag gets kidnapped by a mysterious gang and put through inhumane training to become a mole inside the police force.
One middle aged women is admitted to the hospital in a coma. Yeon-hee, who has been searching for a heart to transplant to her daughter, who has critical heart disease, is begging middle aged women's gangster son, Whee-do, by giving him a fortune. But when the reasons for Whee-do's mom are revealed one by one, Yeon-hee, who became desperate, is teaming up with dangerous people.
Several people experience a miracle of love under the spell of a solar eclipse. Se-jin is obsessively in love with a very bizarre young woman named Ju-won. So-hyun confesses her feeling for Ji-wu by clinging to him and asking him how to become a strong drinker. Jeong-seok is a single father working as a copywriter, loved by Su-jeong, whose advances he rejects every time. Jin-man is a free-hug activist who returns to korea to meet his old flame.
Park Sang-min, who teaches film at the University's Department of Film, is a film director who is under pressure of debt and trouble for the subject of the next film.
