4BIA is a Horror Anthology. The first segment, "Happiness" is about a lonely girl who corresponded with a stranger over hand phone text messaging and soon discovered something strange about this new stranger that she is attracted to. "Tit For Tat" spun a tale of black magic and vengeance for a school kid that had been bullied by a school gang. "In The Middle" - a group of friends faced one of their worst camping trip after water kayaking accident. The final segment "Last Fright" takes horror to new heights with a psychological thriller that involves a stewardess flying solo in a cabin with a dead body. Written by richardlimjr

It follows the story of two lonely teachers, a male (Song) and a female (Ann). They were assigned at the same rural school in the Chiang Mai area, but a year apart. The girl being assigned first, attempted to write her thoughts in a diary, being stuck out in boonies. One day she has to be transferred to another school and left the diary. The male teacher came by as a substitute and saw the diary, thus, falling in love with the unacquainted writer. He also wrote his thoughts in it. The guy also left and the lady returned and saw that there are added articles in the diary. She also fell in love with him but now having a hard time looking for the boy. Will the two ever meet?