Đỗ Thế Dũng, a streamer, was just moved to a cheap rooming house at 4, alley 41/3, Trần Duy Hưng street, even though there were many rumors about ghosts in that place. Every night, he had nightmares about ghosts that hovered around his house.

Till one day, he faced some strange spiritual phenomena and he couldn't leave the place.The door is blocked by many chains which somehow were unbreakable even with a cutter.Dũng felt that danger was coming near and he had nowhere to run.

Dũng felt that danger was coming near and he had nowhere to run. But luckily, Dũng was saved by a man who was hidden in the warehouse on the first floor. He promised that he would get them out of here if Dũng found a finger, a tooth, and a lock of hair, corresponding to the father, the mother and Mai Linh in her family.

Although Dũng was scared, confused and didn’t believe the man at first, after seeing many strange things happening in this place, he didn’t have any choices but had to do it now. As he searched for them, Dũng started to see the memory of Mai Linh’s family which unwrapped the veil of mystery behind her family’s tragedy.

The house that Dũng moved into was belonged to Mai Linh’s family - the father is Phạm Vũ who was a engineer, the mother is Bùi Thị Dung worked in her fashion store on Trần Duy Hưng street, and the daughter is Mai Linh. The family was in difficulty so Vũ had to stop working the current job to help his wife. 

At that time, Mai Linh was falling in love with Long, an excellent student in her class, but knowing that his family was very poor, Dung banned his daughter from coming along with Long. Dung wanted her daughter to marry Thế Anh whose family was quite wealthy. Opposite the wife, Vũ supported Mai Linh with her love. So the family was in a lot of mess because of this matter.  leaving the class. 

So the family was in a lot of mess because of this matter. After a while, Dung’s store began to go down, so she found Thế Anh’s father to lend some money. To ingratiate Thế Anh, Dung threw the doll that Long made for Linh and even pressured Long into leaving the class. Because of this, Linh was criticized by the teacher for losing an excellent student like Long. Linh's love affair was broken, followed by her family’s pressure and her friends leaving her, by which she started to have heavy depression.