 Ruby initially finds it hard to cope with her sister Charlie 's relationship with Joey Collins ( Kate Bell ) , but grows to accept it . Ruby decides to sleep with Xavier , they are caught by Ross who sends Ruby away for a while . Ruby learns Charlie had a secret child when she was young , she tries to track her down and is shocked when her Aunt Michelle tells her that Charlie knows who it is . Charlie reveals the truth , that Ruby is actually her daughter and that she became pregnant when Grant <unk> raped her . Charlie 's parents agreed to bring Ruby up as their own . Ruby tracks Grant down and accuses him of ruining everyone 's lives . Grant tells Ruby she has convinced herself it was not consented , Charlie then kidnaps Grant to get the truth . Grant later turns up dead on the beach and Charlie and Ruby are in the frame for his murder , until Ross later admits he did it . 
