Matrilocal Dragon Son-in-law

*As the Son-In-Law he felt Such painful！
Before he finishes the ten years' agreed he had with the her grandfather, he could not reveal his identity! 
Even had his wife disappointed on him and said: “you had ruined my right to pursue my happiness!”
Until one day, at the ending edge of his agreed her family had beset with a crisis.
He knew it is the time for him to reveal his identity.
He would shown his wife what is man！
Most importantly to all those enemies how powerful he was！