Katha Romboon is a young man with a special ability to see ghosts and spirits. With his lifelong companion, a mischievous female banana-tree spirit known as Mae Tani, and a playful water spirit joining him, he embarks on a series of ghost-hunting adventures. Determined to make ghost hunting his profession, Katha embraces modern technology and unconventional gadgets to help him capture and defeat supernatural beings, leading to plenty of fun and hilarious adventures.