The Red Blob is a gelatinous manifestation haunting a building in Chicago.
The Chicago Ghostbusters were hired to take care of the Red Blob. Rookie and Ron Alexander split up and searching a building for the entity. While up on the thirteenth floor, Ron discovered the Red Blob but was swallowed whole and trapped within it while Rookie confronted him over the Radio about his lack of respect.
The Red Blob can ingest living beings whole and hold them within its body.