The crown prince just felt wronged.

Because Li Gang proposed to make Li Mu take the blame for them. The crown prince treated Li Gang as his most trusted confidant, who was both brave and resourceful. Especially at this time when Li Gang killed the second prince, he already secured the first position in the crown prince's heart.

On that day, when Li Gang sent a letter advising him to make Li Mu the scapegoat to quell the anger of the emperor, he was surprised. ...