The Christmas Tree is a heartwarming movie about a wealthy French-American businessman named Laurent Ségur (played by William Holden), who lives in a lavish mansion in France with his girlfriend Catherine (played by French actress Virna Lisi) and his young son Pascal (played by Bourvil). As Christmas approaches, Pascal becomes gravely ill and is not expected to live for much longer.
In a desperate attempt to make his son's remaining days as happy as possible, Laurent enlists the help of his war buddy Michael (played by Canadian actor Brook Fuller), and together they set out to fulfill Pascal's every desire. From trips to Disneyland to visits from a real-life Santa Claus, Laurent and his friends spare no expense in trying to make Pascal's final days the best they can be.
As they go on this journey together, Laurent and Catherine also begin to fall in love, despite their initial animosity towards each other. However, their newfound happiness is threatened by the appearance of Laurent's ex-wife, who seeks custody of their son and threatens to tear their new family apart.
In the end, The Christmas Tree is a poignant reminder of the power of love and the importance of cherishing every moment with those we hold most dear. With its beautiful setting, excellent performances, and touching storyline, it is a must-see for anyone looking for a heartwarming holiday movie.