Picture a Perfect Christmas (2019) on Netflix

Plot summary

Sophie Griffith earns her living as a photographer and shoots extreme sports. Her boyfriend leaves on another assignment over Christmas, and when word reaches her that her grandmother Louise has hurt her ankle, Sophie returns home for the holiday to look after her. Next door to Louise lives David Murphy, who is raising his young nephew Troy; Troy's parents have died, and David is his custodian. David is desperate for a nanny for the boy and has not found one. Sophie, who has no shoots scheduled at the moment, offers to step in and watch Troy for him until he sorts the nanny problem out.