Amidst a heavy downpour, two students engage in a series of eccentric and taboo sexual encounters outdoors. Driven by the boy's peculiar obsession with "dirty spots," the encounter spirals into a bizarre power dynamic, culminating in a strange ritual involving a slug and memories of the boy's grandfather.
An unemployed man reunites with a former hostess who has also lost her job, leading to a candid and passionate encounter after a night of drinking. Simultaneously, a student and a class representative share a secret, intimate moment while cleaning together during a hot summer day.