Klara is going to die today unless she kills her husband instead. The Calendar Killer has given her that impossible choice. When Jules starts his night shift at a telephone safety helpline for lonely women on their way home, Klara's call reaches him. He soon becomes her last hope for survival and races against time to save her.
Following her breakout role in a killer clown horror flick, Bowie now finds herself struggling to capitalize on its success, but when she is suddenly held hostage by an unhinged fan posing as that same killer clown, horror becomes her reality as she fights to survive the night and escape before he completes his sinister plan to recreate the film's fatal plot.
It's an iconic line in any crime story: when a suspect is arrested and gets to make one call. In reality, once a person enters the criminal justice system, there are multiple opportunities to make calls while awaiting trial. The vast majority of those calls are recorded. An admission, a threat, a slip of the tongue, a bribe -- it's all on tape and the suspect knows it, but this doesn't always prevent people from talking and talking. Jailhouse phone calls are used to frame the narrative of murder investigations steeped in mystery.