The hard-hitting plot, which began at New Year when Ronnie swapped her dead son James with Kat Moon's child Tommy, will draw to a conclusion next month as Kat is reunited with the baby she thought she had lost.
According to The Mirror today, after Ronnie gives Tommy back and hands herself over to the police, she will be jailed as the matter is investigated.
However, in a further twist, the troubled blonde is expected to be released on bail a few weeks later on an important day for Kat (Jessie Wallace) and her husband Alfie (Shane Richie).
A source told the newspaper: "Ronnie gets out on bail on the day of Tommy's christening, and is in Albert Square as celebrations kick off in The Vic.
"The fact she is back is going to have huge repercussions for that day and she is likely to come face-to-face with Kat."
Rumours about the plot's conclusion are still unconfirmed as EastEnders bosses do not comment on future storylines.
Samantha Womack - who plays Ronnie - is to leave the soap later this year, but it is understood that the door will be left open for a possible return in the future.
> EastEnders star backs baby plot changes