A new teacher with an IQ of 200 comes from a poor family and is in debt to repay his mother. He accidentally loses a family heirloom necklace worth 500,000. The owner of the necklace is none other than his mischievous high school student, who he is also the private tutor of. Thus begins the task of compensating for the lost necklace. From being a teacher to becoming a servant, the relationship unexpectedly evolves into that of lovers!