The retired police officer's name is Rachel, and she has been struggling to adapt to her new life after her divorce. She lives with her father who is suffering from dementia and needs constant care. Rachel's routine consists of taking care of her dad, occasional visits from her ex-husband, and going to therapy sessions.
One day, while Rachel is out for groceries, she meets a woman named Lilly, who has just moved in next door. Lilly is beautiful, charming, and mysterious. Rachel is drawn to her and feels an instant connection.
As Rachel and Lilly's friendship grows, Rachel finds herself questioning her sexuality and her past relationships. She also starts to suspect that there is something off about Lilly, but she is not sure what it is.
Things take a dark turn when Lilly's true intentions are revealed, and Rachel must fight for her life and her father's safety. In the end, Rachel realizes that she is stronger than she thought and that she deserves a fresh start in life.
Stranger Next Door is a psychological thriller that explores love, loss, and the dangers of trusting strangers. It stars Halle Berry as Rachel and Eva Mendes as Lilly.