The discovery of a massive river of ectoplasm and a resurgence of spectral activity allows the staff of Ghostbusters to revive the business.
Catherine, a novelist with an insatiable sexual appetite, becomes a prime suspect when her boyfriend is brutally murdered -- a crime she had described in her latest story.
Riggs and Murtaugh pursue a former officer who uses his knowledge of police procedure and policies to steal and sell confiscated guns and ammunition to local street gangs.
