After going on a fairy tale adventure, Ichabod and the gang face another problem and will battle again against time to solve this grave danger. This time, the gang are facing a supernatural virus originating from a viral video that can curse people. The new episode titled 'Sick Burn' for "Sleepy Hollow" Season 4 Episode 8will have the protagonists trace and eliminate the roots of the virus and at the same time find a cure for the curse.

During the last week's episode of "Sleepy Hollow" face a wolf demon called Barghest which has been murdering people. This murderous monster was a creature of the legends which later on inspire the villain, Big Bad Wolf in the story Little Red Riding Hood. The creature is known for its shape-shifting abilities however, the gang managed to kill the Bargrest with feldspar bolts.

In the upcoming episode, the gang will have to face one of its toughest opponent yet - the internet. They will discover that a disease causing curse was being spread via viral video which infects anyone who watches it. The plague only started when the internet sensation Logan McDonald came to town as reported by Broadway World.

Molly will somehow be infected of the supernatural infection as it turns out that she is an avid fan of McDonald who will be played by the guest actor Robbie Kay of "Once Upon a Time. Stopping a viral post in the internet will be a herculean job and Ichabod will realize this difficulty. He will be treated like a crazy man when he will call to the people to stop using surfing the net.

With no time to waste, Diana thought that in order to stop the curse, they have to fight fire with fire or else everyone will be in danger. They will also post a video message to counter the video and stop the curse from spreading. Meanwhile, Molly will have another ill-omened premonition where humans will have a miserable future as per Comic Book Movie. "Sleepy Hollow" Season 4, Episode 8 will be aired on February 24 on FOX.