The Subjunctive Mood

Worn-out teacher Jack has just about had it with this life. But just when he's ready to give in, cute temp Alexander unexpectedly helps with his class. Is the man just abnormally altruistic, or is there something else going on here? As the lesson progresses, Jack's barricades slowly crumble. Even as he struggles to retain control over the class, he's losing it over his heart.