When old friends from school start dying one by one, Sayree and Nataya begin to search for the secret of the letter that each of their friends received before death. Soon the two believe they are the next targets.
Seree
Pruk
Jenjira
Pairath
Chaiwat
Paremai
Nattaya
Tawit
Karn
Chotithum
Teacher Jes
Doctor
Ngurn
Nattaya's Mother
Poj
Senior 1
Senior 2
Tan
Seree (Kid)
Nattaya (Kid)
Pruk (Kid)
Jenjira (Kid)
Paremai (Kid)
Chaiwat (Kid)
Tawit (Kid)
Headmaster
Husband
Wife
Couple in Car
Nurse
Maid
Security Guard
Boss
Couple
Couple
ITV News Reporter
ITV News Reporter
MC 1
MC 2
Senior
Blind Man
Kumpol
Director
Original Music Composer
Executive Producer
Production Designer
First Assistant Director
Editor
Costume Designer
Art Direction
Costume Designer
Producer
Producer
Director of Photography
Screenplay
Story
Post Production Assistant
Director
Director