112 operator Lieke receives an emergency via the Tolkcontact app. The alarming app shows that the deaf Maja is hiding in a ship shed together with her son Martijn, for fear of her aggressive ex-husband Jeffrey. While Maja can't hear where the danger lies, Lieke must help her escape Jeffrey.

A confused young woman panics and calls 112 operator Joyce, saying she has just found her mother unconscious at the bottom of the stairs. Joyce assumes a trap, but as the conversation progresses, the young woman's story seems less and less true. The phone call takes an unexpected turn. What follows is a heart-pounding conversation in which Joyce has to slowly piece together the puzzle pieces of what happened.

Towards the end of his evening shift, 112 operator Boudewijn reluctantly takes another phone call, only to be surprised by a whispering child's voice who tells him to hide in a closet from an intruder. At the same time, Boudewijn tries to unravel the situation. However, this turns out to be easier said than done with 11-year-old Mia on the other end of the line. With a little imagination, Boudewijn, who is not really a childhood friend at all, tries to do everything in his power to help the young girl.