75-year-old Teresa Santos was a bit feisty but regarded fondly by most. Originally from Portugal, she was a jokester who loved to bake for people and volunteered with the disadvantaged in her community. So during COVID, when it’s discovered that she’s been dead in her apartment for days, fellow residents are distraught. 48 hours later, that distress turns to fear when the autopsy reveals she’s been murdered in a horrifically violent way. Who would do such a thing – and more importantly – how did they gain access to her 8th floor apartment?