Adeline is a flight attendant. One day upon her return from work, Liang Min Su, her cleaning lady, asks Adeline to keep an eye on her son while she runs an errand. Liang Min Su disappears. Adeline is left with this 6 year-old boy who cannot speak a word of French. She does not even know his name so she calls him “Cookie”. With the help of her sister Delphine and her family, Adeline will do everything to reunite Cookie with his mother… In the process, a bond of tenderness and affection grows between Adeline and Cookie.