Stepmom 1998

Jackie is in charge of taking care of her two children. Her ex-husband, Luke, who takes the children with him on Sundays, lives with a woman named Isabelle, a top-notch fashion photographer. However, since Luke is always forced to travel for work, the responsibility of preparing the children for school (when they are at their father's house) falls on Isabelle, who is not capable of doing so. Life goes on in this manner until Jackie finds out she has been diagnosed with cancer...