BorderlineBorder Line (alt), ; 보더라인

Will, an author and single father to Jesse, runs a small bookstore. On his way home after work, he finds a teenage boy collapsed in an alley, and brings him home. The boy has lost his memory so Will names him Leo and they live together as a family for several years. Will considers himself like a father to Leo, but he is not Leo's father. Leo contemplates how to appease his rocky emotions until one day his memory returns, and he makes up his mind to leave Will and Jesse..."I've come this far in order to face you as the man that loves you."+