A tech-savvy teenager delves into a mysterious emoji cipher, only to uncover a chilling tale of supernatural deceit, forcing him to question the line between reality and digital deceit....

When a young cryptographer is haunted by the ghost of a historical figure, she must decipher a series of cryptic messages to uncover the truth behind a century-old murder....

When a group of students discovers an ancient cryptic message in an abandoned subway station, they find themselves caught in a chilling game of cat and mouse with a textual ghost, whose cryptic tale in the underground holds the key to a dark secret....