4bia or Phobia is a 2008 Thai Thai horror film in four parts, directed by Youngyooth Thongkonthun, Banjong Pisanthanakun, Parkpoom Wongpoom, and Paween Purikitpanya.

Genre: Horror/Thriller
Director: Yongyoot Thongkongtoon, Paween Purijitpanya, Banjong Pisanthanakun, Parkpoom Wongpoom

Casts:
Laila Boonyasak, Maneerat Kham-uan, Apinya Sakuljaroensuk, Witawat Singlampong

Synopsis:
The title is a pun on the word "phobia", a reference to the film's four parts.

Loneliness : A young girl who has many problem happened to her one by one such as: brokenheart, employed and lonely, is recieving a unknown text message ask for the friendship. She starts commuticating with the anonymous sender until she finds out where he is and something terrible begins to happen to her.

The middle man : Four teenagers are camping in the wood and tell a ghost for fun before they go to sleep. Unfortunately,when thet talking the story about the middle man, the mystic ghosts they encounter are those that go against the grain of traditional rules in horror reality.

The Last fright : A female flight attendant, Pim, is working alone for a special service to a princess. However, the princess begin alergic with the food and drops die during the travelling. So, Pim will guards her body which return back to her country but to Pim's shock and horror, She can feels that body is undead and now start haunting her for the revenge in the flight.

A Deadly Charm : Imagine a childish payback like write a joke about your friend's parents on the blackboard. Then imagine a payback of vocational schoolboys who curse people they hate on a deadly charm. Let's see how excruciating these curses will bring to the table and the bloody time is on to kills evryone who fact this event.

+credits to wikipedia+