Ye Lan, an orphan who grew up in an orphanage, once reached the top of high school with excellent grades and fell in love with the school beauty Su Qing.
But a vicious jealousy from the rich second generation pushed him completely into the abyss - he was framed, framed, and eventually trafficked overseas.
During his narrow escape, he accidentally stepped into the Shura field of mercenaries.
Struggling to survive in the midst of killing and betrayal, he became a professional killer walking in the darkness due to an unknown accident, codename: Black Eagle, and later changed his name to Ye Heng.
From a boy in the sunshine to a sharp blade in the dark night, his life has already been rewritten.
What awaits him is an endless bloody mission or an opportunity for revenge?
Can the love of the past be reunited? How to settle the grudges from back then?
The Black Hawk's days have just begun...
