Min Ho Jun
He is the heir to Hanje Group. When the three friends he trusts leave Seoul for a year, he is left to face the daunting task of leading Hanje Group alone. His father orders his Chief Executive, Young Jae to help him adjust but they clash at every turn.
Young Jae Kim
He works for Hanje Group. His job is to make sure that Min Ho's father gets what he wants. Until he is ordered to work with Min Ho, the spoiled rich brat from hell.
Love finds these two men in the most unexpected of ways. That Dog, Young Jae is about a journey of growing up,making choices and holding on to love.