According to the search results, Stacey Slater is a character in the BBC soap opera EastEnders. In recent episodes, she has been dealing with a stalker named Theo Hawthorne, who has become obsessed with her and has been secretly stalking her for months. In one of the episodes, Theo breaks into the Slater house while Stacey is home alone, and a shocking incident unfolds. The details of this incident are not provided in the search results, so it is unclear what exactly happened to Stacey. However, it is clear that the stalker storyline is ongoing and that Stacey is still dealing with the aftermath of the ordeal.