Complete story — includes the ending
Melinda realises that the ghost of Paul Eastman (the convicted murderer in the 1979 case from the previous episode) has been possessing her father and causing his spirit to be displaced. Melinda's mother has to reveal a huge secret regarding Paul Eastmann after Mel finds his bones buried in the house she grew up in, and the secret changes everything because when Tom Gordon finds out she knows, she ends up in mortal danger from him.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Ghost Whisperer season 3. HTML formatting and reference markers removed. · Content license