Claire Voss lives a seemingly perfect life in Manhattan with her husband Lucas and their young daughter Luna. A forgotten pink lipstick and a strand of strange blonde hair spark her suspicion of her husband's infidelity. She first suspects Chloe, Lucas's young blonde assistant, but every clue twists unexpectedly. Her best friend Erin and Lucas's hospitalized aunt Mae all become threads in a tangled web of lies. Time after time, Lucas uses soft words to bury his secrets and fool Claire. When Claire finally uncovers the ugly truth, the once gentle, forgiving wife's love dies completely. She plots ruthless revenge, burning down everything Lucas holds dear.