Ryan Collier has lived a quiet life with his golden retriever, Sam, and two orange tabbies since the death of his wife nearly three years ago. Friends and family are encouraging him to move on and find someone new to share his life with, but Ryan feels he will never find someone he can love as much as his wife. Ryan reluctantly gives in and starts going out on weekends, and soon discovers that women have changed as well as the rules of dating. He's longing for a fulfilling relationship but the women he meets only want one-night stands. Then, Kristen moves in next door and he's happy to find they have a lot in common. There's only one problem - she's not available.

Kristen Foster craves a peaceful place to call home. With her stressful job as a pediatric oncology nurse and a failed marriage behind her, she doesn't want any more drama in her life. Then her casual boyfriend - a surgeon - proposes to her. And she finds that the widower next door is a 30-something, handsome man who seems to have his choice of young women every weekend. His only redeeming quality is his beautiful dog, Sam. But as she gets to know Ryan, Kristen is drawn to him. She finds herself struggling to choose between the dependable surgeon and the man she believes is the neighborhood playboy.

Can Sam's furry charm bring Ryan and Kristen together?

Walking Sam is a heartwarming story of two people who have to let go of the past in order to see what's right in front of them.