So it's safe to say there's no love lost between them, and with them being next door to each other in prison, it wasn't going to be long before they had a highly-anticipated showdown.
It came about as Sharon's nosy cellmate picked at her for information, which she then took to Chrissie, explaining there's someone next door with the same surname as her.
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Chrissie wasted no time and went to pay Sharon a visit in a tense scene.
The pair spoke about their explosive history, and remarkably found common ground - Chrissie killed Den in self-defence, but she felt conflicted over it because she loved him despite him abusing her.
Sharon quietly resonated with it, feeling overwhelmed by emotion when she thought of the circumstances under which Keanu died.
Surprisingly, Sharon was able to forgive Chrissie, and seemed to be genuinely at peace living next to her dad's killer.
But while Chrissie pretended it meant a lot to her, her demeanour changed the second she left the room and headed to another inmate, asking her to teach Sharon a lesson.
Will Sharon survive her week in jail?
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