Single mother Kelly Kennedy can't afford lavish gifts for her four-year-old daughter, Bree. Homeless veteran Tyler Manning doesn't believe he deserves a Merry Christmas. When Bree asks Santa for a father and picks Tyler, both Tyler and Kelly vow to keep Bree from being hurt while fighting their feelings for each other. Tyler struggles with frightening flashbacks that scare Kelly. Meanwhile, Kelly's criminal past threatens her chance for happiness.

Kelly Kennedy thought her life was finally on track. Engaged to the man of her dreams and with a baby on the way, she reassures her five-year-old daughter Bree, that the father she picked for Christmas still loves her. Unfortunately, war veteran Tyler Manning has been away most of the year. Recovering from PTSD isn't easy. Rather than worry Kelly, Tyler spends his time traveling to Afghanistan to work at a children's charity he founded.

Kelly Kennedy and Tyler Manning are planning a Christmas wedding, and her six-year-old daughter, Bree, is worried about being the perfect flower girl. Complications arise when Tyler gets reacquainted with a female soldier he rescued back in Afghanistan. Meanwhile, Kelly gets an urgent message from the man who fathered Bree, asking for a big favor.