When Sing, a young police detective with a strong personality and straightforward behavior, is assigned to take charge of a bizarre murder case of seven people, the scene of the case is horrifying - the victims' eyes and lips were sewn with red thread and hung from a giant tree at a construction site in the middle of the city.Sing was once in trouble, because the horror came not only from the visual impact, but also from the illogical secrets behind the case: all the bodies showed no signs of struggle, there was a lack of clear evidence of murder, and the only person present was Thup, a simple boy who claimed to be able to see ghosts.

Thup becomes the only witness to the case and may even be framed as the murderer.He pleaded innocent to Sing and revealed that he was born with psychic abilities. However, Sing, who firmly believed in the supernatural, was shaken by Thup's honesty, but still detained him for investigation due to the lack of other suspects.

A tense investigation begins. Who is the real murderer?Or does it all stem from an ancient curse?Follow Sing's investigative journey into the mysterious world and uncover thrilling mysteries!