Mister McLoughlin is a fun loving teacher that just moved from teaching middle school in Ireland to teaching high school in America. He loves to make people laugh and smile, and he loves helping people, so he loves his job and wouldn't trade it for the world. His puts all of his effort into taking care of his students and ensuring that he is making the world a better place.
Mister Fischbach, however, is a hardcore, strict, and loud teacher. He's constantly yelling and hitting students' desks with a wooden meter stick. He tries to scare students into not failing his class, but his teaching methods are so harsh that not even half of his students can survive the first semester in his class.
Jack does his best to make Mark a kinder teacher and Mark works his hardest to push Jack away, and it only pulls them closer. Will their relationship work out, our will their opposite personalities and their jobs pull them apart?