Seven days before the summer vacation, the final exam in school is approaching. Li-Hong, a teacher in the school, is waiting for the long-overdue contract renewal which he desperately needs to pay for left medical bills from his ill grandmother. Moreover, his estranged brother got entangled in a felony assault, his love interest confessed her love to him. His favorite student, falsely accused of an attack, asks him to defend his innocence. His boss, the principal of the school, gives more unreasonable tasks to him… Within seven days, Li-Hong has to make his decisions before the finals.