We have already revealed the spoiler that Carla will be pregnant - and plans a secret abortion.
She tells him: "You can be hardfaced sometimes, unless it's something you want, and then it's all charm and smiles. I think I'm pregnant. I haven't done the test yet but I'm late and I recognise the signs."
Peter leaves her devastated when he walks out on her, admitting: "Sorry, I can't take it in. I have to go."
The shocking turn of events will send Peter into a complete meltdown and he'll start drinking again in a bid to cope with his lies and betrayal."
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