In search of a babysitter for the evening, Marc Schaudel leaves his son, Remy, in the care of his employee, Franck, who is known for his responsible nature. However, Marc is unaware that Franck is celebrating his 30th birthday that weekend and that Remy is quite a handful. The following morning, Marc and his wife, Claire, are jolted awake by a call from the police. Both Remy and Franck have vanished, and their home is in complete disarray. Among the chaos, the police discover a camera. As Marc, Claire, and the officers review the footage from the previous night, they begin to unravel the mystery of what transpired with Franck and Remy.