A severed limb is found at sea and Daniel is sent to investigate the strange appearance of a ghost ship. Meanwhile, Thursday concentrates on school work and her mother's old office. She gets on the case when she becomes Daniel's only point of contact out at sea.

Two paranormal investigators are missing and Thursday is made aware of their disappearance through the Avenue 14 portal. Her investigations lead her to the Red Mansion. Together with Daniel, she explores what is considered one of the most haunted houses in Singapore.