"Four friends. Two rivalries. Only one choice."
Despite their different family backgrounds, four friends grew up together in the wearisome years of the 70s. But as time goes by, each of them takes a different life path.
Joon-seok

Dong-soo

Sang-taek

Jeong-ho

Jin-sook

Mustache

Joon-seok's Father

Dong-soo's Father

Scar-Eye

Tall Woman
Child Joon-seok
Child Dong-soo
Child Sang-taek
Child Joong-ho
Sang-taek's Father

Sang-taek's Mother

Joon-seok's Mother
Sin-ae
Doruko

Small Guy
Jjang-ga
Eun-gi

English Teacher
Math Teacher

Cowardly Gangster
Security Guard

Man with Gold-framed Glasses
Beauty
Doruko's Henchman
Member of Rainbow
Member of Rainbow

Member of 7 Princess

Small Guy's Mob
Joon-seok's Driver
Vice President
Trans

Theater Advertisement
Buckle Student
Triangle Student
Gangster from the Trunk
Arresting Policeman
MC Student
Student from the Shaolin Temple
Mustache's Henchman
Scar-Eye's Shadow

Bunting Student
Weekly Duty Student
Student
Doruko's Younger Brother

Dong-soo's Henchman

Dong-soo's Henchman

Dong-soo's Henchman
Dong-soo's Henchman
Waiter
Bar Girl
Bar Customer
Female Employee
Jaws

Female Employee at Wedding Hall
Young Man with Umbrella
High School Boy
Court Prosecutor
Court Lawyer
Judge
Bus Conductor
Employee at Construction Site