Her first scenes were shown in May, when she returned for her grandmother Blanche's funeral.
Rob's got everything she wants in a man - he's ambitious and driven, he shares her ruthless streak.
The police subsequently found the rolling pin hidden in the house, making Tracy's lie appear true.
But if Charlie comes to and tells the truth, Tracy will almost certainly be done for attempted murder.
I think he likes how much of a challenge she's becoming too.
Tracy can be pretty ruthless herself so maybe she'll have to play Tony at his own game.