While most people spend Christmas Eve with their families, there are a few people who are left alone anyway. But to keep them company, SOS Détresse Sexuelle is here! Run by volunteers, the association helps struggling souls overcome their loneliness. Jean, in charge of the telephone reception, is on duty for the evening but has to deal with several unforeseen events. Indeed, several colorful characters follow one another and each have more salacious ideas than the others to enjoy this night like no other ...