Single mother Chloe has her life turned upside down when her younger sister, Sadie, comes home after a long, unexplained absence. Though Sadie seems to want to settle in with her sister and 17-year-old niece, it soon becomes apparent that she may have sinister intentions.

Two secret lovers, a disgruntled husband, a narcoleptic hitman, and the mysterious phone-operator pulling all the strings. Over the course of one increasingly booze fueled evening, the hitman trails the odd love birds on their final late night tryst. But this kill may not go so swimmingly, once the margaritas start flowing and a psychoactive toad is thrown into the nightcap cocktail.