Next of Kin is a 1989 American action film directed by John Irvin and starring Patrick Swayze and Liam Neeson, with Adam Baldwin and Ben Stiller in one of his earliest roles. The screenplay was based on a story of the same title, both written by Michael Jenning.
Truman returns to Kentucky for the funeral. When his surviving brother, Briar Gates Liam Neeson, insists on a traditional mountain blood feud, Truman urges his family to let the police deal with Geralds murder. Briar finds Trumans reluctance to be disgraceful. Determined to deal with the murderers in his own way, Briar travels to Chicago in search of his youngest brothers killer.Meanwhile, Truman desperately tries to solve the crime before Briar takes revenge on his own. He approaches John Isabella and explains the mountain code to him. He suggests that if Geralds murderer surrenders peacefully, it would save them both a lot of trouble. John, however, refuses on general principle, and Truman is left to continue his investigation. ........
Source: Wikipedia