It follows Charlotte as she meets her competitive neighbor Bonnie. When it is discovered that another neighbor was killed, a neighborhood watch is created. No one realizes that it was Bonnie who secretly murdered the neighbor.
In this tense, twist-filled psychological thriller, Naomie Harris and Natalie Dormer deliver captivating performances as two estranged friends who reunite over tea, only to unveil a dangerous and deceptive plot that will irrevocably alter their lives.