So the Ghostbusters have saved the world on Cinco De Mayo, and things couldn’t be better. That is, until they get a call from a former client. The speculation quickly starts. What loose ends haven’t been dealt with? Is it really anything we couldn’t handle? We just saved the world! In this particular case, overconfidence may be their biggest weakness because only two things are for certain: This ghost is unlike anything they have ever seen, and nobody saw it coming.