Have you seen the girls? The morning after a glamorous, luxury wedding, best friends Siobhan and Grace go to wake their twenty-four-year-old daughters. Opening the door to their shared room, they find a smashed lamp, an abandoned phone and blood on the carpet. Over the next few days, the truth unravels, testing Siobhan and Grace's friendship to its limits. As secrets and lies begin to come to light, they realise that the girls were not best friends. In fact, they weren't really friends at all. And now, it looks like one of them is dead. And one of them is a killer. But whose daughter is guilty of murder?