When retired teacher Jesse Ashworth and former police chief Tim Mallory buy the Bigg- Boyce Security Company in Bath Maine, interesting cases begin to cross their desks. Known locally as the "Big Boys' Detective Agency" Tim and Jesse begin new careers as private detectives. The Turner Art Museum in Portland Maine seems to be the epicenter of some strange happenings. When the Big Boys' Detective Agency is contacted to investigate a haunting in the museum, Tim and Jesse embark on an adventure that turns up not only a missing person but also more than one body.