Over the past month, residents of Wetherfield have been pointing fingers at several suspects after the horrific factory collapse.
Viewers were left heartbroken after Rana was trapped under the rubble and died in her fiancée Kate's arms.
The pair shared their wedding vows in incredibly touching scenes, with Rana saying she didn't want to leave her.
But since the dramatic scenes aired, the saboteur who caused the factory roof collapse has failed to come forward.
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In tonight's episode, Toyah accidentally found a vital piece of evidence linking one character to the crime.
Stripping the beds in her shared apartment, Toyah was shocked to find Wayne’s missing health and safety report under Nick and Leanne’s mattress.
She showed Leanne the report and vowed to hand it over to the police but Leanne begged Toyah not to go to the police until they’d shown the report to Nick.
When Toyah suggested it was Nick who sabotaged the factory roof, Leanne was left in turmoil.
The second instalment saw Nick return home to find Toyah and Leanne in the middle of a row.
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Toyah handed him the report she found under the mattress but he insisted it must have been planted there.
On Wednesday, Leanne is stunned when Nick is arrested and questioned by the police who accuse him of being in cahoots with Carla to damage the roof for financial gain.
Nick insists he had nothing to do with it but Leanne is rattled when Shona tells her she heard Nick telling David he had 'done things he wasn’t proud of'.
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Nick returns to the street and assures David that the police are not interested in Audrey’s money.
Toyah begs Leanne to realise that Nick is up to his old tricks lying to her again. What will Leanne do?
