Han Tae Joo is an 18-year-old high school student and is the sole heir of the TB Group – a family-run business conglomerate. His strict father keeps him under surveillance 24 hours a day, and he feels both bored and oppressed by his reluctance to let him enjoy a little freedom. His closest friend is also his unofficial bodyguard – another 18-year-old male student named Gang Gook. Gang Gook is something of a tough guy, with a powerful physique and a no-nonsense attitude. But as the two young men grow older, they come to wonder if there is perhaps another dimension to their friendship. When an outgoing female student named…