Watch A Christmas Star full movie online free. Madeline Baggett is an astronomer who searches for life beyond Earth, and when she believes she has found it. With refractors, telescopes, and a small film crew in tow, Madeline arrives and sets up in Summit Ridge where she meets widowed National Park Ranger Ryan Sparks and his young daughter, Celeste. With Ryan’s help, Madeline begins to chart the celestial event which brings the pair closer to finding love under the stars. Stream A Christmas Star movie online with subtitles.