Firefly Lane ending theories: Was Tully pregnant with Johnny's child?
Firefly Lane: Tully and Johnny admired each other (Image: Netflix) READ MORE Fans who are yet to read the book have come up with their own theories about what ended their friendship. One fan believes Tully and Johnny slept together and the baby Tully lost may have been Johnny's. They said on Reddit: "One of the more far fetched theories I have is that Tully slept with Johnny that night he went over to her penthouse and mentioned to her how things could’ve been different in the first episode? "Maybe the baby she miscarried was actually Johnny’s after all? Maybe his possible death or near-d...