Sami spills the beans that twins are really Roman Brady's kids – and then the whole truth comes out: that Kate and Roman are their true parents, and this news draws Roman and Kate back together, which infuriates Sami; Cassie thinks that she knows who the killer is; Caroline continues to communicate with Celeste from beyond the grave and tells her that the killer was there looking over her casket – and all seven suspects were accounted for as making appearances at the wake…