Chelsea looks exactly like her friend Aerin Kelly's murdered sister - and Seneca's own mother, who was killed five years ago.Seneca's suspicions are confirmed when the killer contacts her, threatening to hurt Chelsea if Seneca goes to the police with what she knows.

Chelsea looks exactly like her friend Aerin Kelly's murdered sister - and Seneca's own mother, who was killed five years ago.Seneca's suspicions are confirmed when the killer contacts her, threatening to hurt Chelsea if Seneca goes to the police with what she knows.