A brilliant business lawyer finds that an old Rumanian homeless woman looks a lot like his grandmother. One night, he makes a cardboard sigh for her "I could be your grandmother". Passers by become much more generous. Other homeless people request signs from him. Their demands are soon too much for him.

Sarah Moreau is a brilliant lawyer who controls everything in her life. Her business woman life does not allow her to leave anything to chance, especially on holidays. And now it's Christmas. Everything seems to be under control. Anything but destiny - When Christmas became the longest day, how to keep the Christmas spirit?