Chrissie and Rebecca White haven't seen eye to eye since Rebecca arrived on the Emmerdale scene last October.
It all began when they discovered that Chrissie wasn't Lawrence's biological daughter, but Rebecca was.
Since then, all manner of drama has kicked off between the pair - and this revelation adds even more fuel to the fire.
It seems as though Chrissie will somehow be seemingly unconscious at the bottom of the stairs - and Rebecca at the top looking pretty guilty.
But how did she get to this point?
Well.
Chrissie will find Rebecca on her return from court, and tells her that it is all her fault that Chrissie's son Lachlan is being kept in prison.
After more heated words, the pair tussle at the top of the stairs (VERY bad idea, girls) - and it's then that Chrissie falls over the bannister onto a glass table.
Ouch.
Robert Sugden arrives on the scene and encourages Rebecca to lie about what happened to Chrissie, but Rebecca decides against it and calls an ambulance instead.
We're thankful that Rebecca calls an ambulance for her sister - but is she going to be completely truthful about how Chrissie falls down the stairs?
We don't trust her chances!
Rebecca, played by Emily Head, appeared on our screens back in October last year. Before her role on Emmerdale, Emily appeared as Carli in E4's Inbetweeners as main character Simon's love interest.
Do you think Rebecca will come clean about what happened to Chrissie? Let us know over on Facebook and Twitter.
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