The protagonist selflessly donates bone marrow to save his mother, only to have his sacrifice stolen by his adopted brother. When confronting his mother, the adopted son uses emotional manipulation and colludes with the doctor to win her trust. Branded a traitor, the protagonist is heartlessly disowned. To make matters worse, his childhood sweetheart is forced into an arranged marriage with the adopted brother. But now, his adoptive father steps forward, determined to fight for justice and reclaim what was taken.