Kim JongIn moves to a new high school in search of his biological father. During his journey he meets Xi LuHan and Oh SeHoon.  Two close childhood friends, although SeHoon wants to be more than just a friend to LuHan, LuHan only see's him as a brother. During the time LuHan and JongIn becomes very close which sparks jealousy into SeHoon's heart. Will the love they have for each other ignite or will the jealousy of another kill any relationship they could have.

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