When a series of mysterious phone calls plunge a small town into fear, a young tech-savvy detective must unravel the enigmatic connection between the past and the present to save the lives of those haunted by the echoes of the unseen....

When a series of eerie phone calls begins to plague a young woman, she delves into a world of the unknown, where dimensions blur and the line between reality and the supernatural becomes perilously thin....

When Yanling receives mysterious phone calls that lead her to a hidden conspiracy, she must unravel the truth behind her family's past and the eerie occurrences surrounding her home....