Watch Merry Textmas for Free: How to Stream the Movie Online at 123Movies. . Gaby Diaz, an app developer from Austin, Texas, and the last unmarried sibling in her family, heads to her abuela’s house in Oaxaca, Mexico, for the holidays. When she accidentally adds Alex Alvarada, a graphic designer who’s lost touch with his own Mexican roots, to the family group chat, her family invites him to come along for the holidays.