After losing her mother during Christmas, Elsa, an advertising director, faces a grieving process she tries to overcome by throwing herself into her work. However, an unexpected panic attack forces her to stop and reconsider her way of life. Seeking emotional relief, she decides to take a trip to Lanzarote with her friend Patricia, while her partner stays behind in Madrid.

Bitter Christmas is a heartfelt film that blends personal drama with the search for hope in difficult times, perfect for those who appreciate intimate stories of growth and resilience.