Strongest Chil Woo (Korean: 최강칠우; Hanja: 最強七迂; RR: Choi Kang Chil U), also known as Chilwu the Mighty, is a 2008 South Korean historical drama that aired on KBS2.

[1] The drama served as the last project of actor Lee Eon, who died on August 21, 2008, in a motorcycle accident.

The 15th ruler, King Gwanghaegun, was the 3rd son of Seonjo with Gongbin of the Gimhae Kim clan and therefore the Injo's uncle.

In 1623, Gwanghaegun was ousted of power by a political plot from the Western faction, that puts Injo on the throne.

While elements of these former plots are re-emerging from the past despite a series of murders, a group of mysterious assassins is avenging the sadness of the poor people.