Four years ago, he was a sharp edge in the military. After retiring, he decided to stay on campus just to protect the sister of his deceased teammate.
Everyone thinks he is just an ordinary university security guard, but he leads a double life of patrolling the campus during the day and dominating the city at night.
Until that day, a group of desperadoes broke into the campus and tried to kidnap the innocent school beauty.
When the whole school was running away in panic, he was the only one who went against the crowd and slowly took off his security uniform——
"Don't be afraid, it's my turn to protect you this time."
