青梅竹马的志焕（权相宇饰）与达莱（金荷娜饰）被同一所大学录取了，从小一起长大的两人把对方视为自己最好的朋友。他们各有自己的理想，虽然会有矛盾与争执，当年都不能动摇他们之间的友谊，他们始终信赖彼此。 nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs;跟志焕同是跆拳道系的英勋，各方面都十分优秀，他更成为了达莱的男朋友。另一边厢，志焕也有了自己的爱人智敏。刚开始志焕与达莱都觉得对方拥有自己的恋人是件十分正常的事，不会影响他们的友谊。但当他们都正式投入恋爱中后，才发现他们的真实想法并不是这样。 nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs; nbs;事实上志焕跟达莱之间早已产生了爱情，但两人始终当局者迷，多年来好友的身份都阻挡了他们进一步发展……