"Tiger Honor" follows Sebin, a young tiger spirit, who receives an acceptance letter to join the Thousand World Space Forces. However, the shocking news that their uncle Hwan is a traitor complicates matters. Sebin, along with other cadets and investigators Yi and Min, must uncover the truth and clear Hwan's name amidst sabotage and danger aboard the ship Haetae. Min emerges as a formidable adversary.