In "Bloody Reunion", a group of South Korean former class mates are invited to a reunion in a nice cottage located in the countryside. Mrs. Park, an old teacher from elementary school, who happens to be very ill and crippled, wants to see her favorite students reunited again. However, when these former class mates arrive to the cottage, the plot thickens and we realize that Mrs. Park actually wasn't exactly very nice to her students and as a consequence, they still hold a big grudge against her. Unfortunately, the old woman doesn't seem to remember much of it, maybe due to her illness or perhap...