Sarah Platt identified as killer in Coronation Street

The long-running murder mystery surrounding the death of Theo Silverton on the ITV soap "Coronation Street" has been resolved, with flashbacks revealing Sarah Platt as the killer. The revelation came in an episode released early on streaming platforms on Monday, June 22, 2026, which featured a tense dinner party that triggered the pivotal flashback sequence.

The storyline began with a flashforward episode earlier in the year, culminating in April when the body of Theo Silverton was discovered in the backyard of the corner shop. In the months since, police suspicion had fallen on several Weatherfield residents, including Gary Windass and Summer Spellman, who was briefly arrested. However, the truth was finally unveiled through a flashback to the night of the murder.

The flashback showed Sarah Platt going to a flat after receiving a suspicious text message. She encountered Theo on scaffolding outside, where a confrontation escalated. Theo made threatening and derogatory remarks, referencing Sarah's past and her deceased child. Fearing for her life, Sarah grabbed a piece of metal scaffolding and struck Theo in self-defense, causing him to fall to the pavement below.