Yu Kang

A martial arts instructor working at a police academy gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.

A soldier-turned-high school teacher uses unusual methods to reach to a class of poor students, while dealing with a greedy entrepreneur and his gang of fighters as well as the government.

An imperial guard and his three traitorous childhood friends ordered to hunt him down get accidentally buried and kept frozen in time. 400 years later, they are defrosted continuing the battle they left behind.