Nick and Katrina' heads off to haunted places in search of 'supernatural phenomenons'.

Host Sungtae and his guest, Kim Heejung, bear witness as Nick and Katrina investigate a haunted mansion known as Tiedemann House or the Franklin Castle.

Nick and Katrina' heads off to haunted places in search of 'supernatural phenomenons'.

Nick and Katrina' heads off to haunted places in search of 'supernatural phenomenons'.

Heo Sung-tae and Kim Ga-young discuss the strange occurrences as Nick and Katrina investigate the paranormal activities inside an old hotel that was once a mafia hideout.

Heo Sung-tae and WJSN's Yeonjung try to find an explanation as Nick and Katrina set out to communicate with a spirit in an old house.