Caleb Holt is a firefighter in Albany, Georgia who holds the motto "Never leave your partner behind". However, his relationship with his wife Catherine is suffering to a pointthat she wants a divorce.
Caleb and Catherine each fault the other for the disintegration of their relationship. Among Catherine's complaints are Caleb's addiction to internet pornography and alarge sum of Money he has saved up for a boat that he intends to buy, ignoring the fact that Catherine's disabled mother is in need of hospital equipment that she cannot afford, and which their insurancedoesn't cover. When Caleb tells his father, John, about the impending divorce, John challenges Caleb to commit to a 40-day test that he calls the "Love Dare", and Caleb agrees. Initially Catherinedoubts Caleb's sincerity in his attempts to win her back, due to his half-hearted attempts at completing the Love Dare, but Caleb continues with encouragement from his father and his close friendMichael, who also encourages him to become a born-again Christian. Caleb Holt screaming at his wife, Catherine early in the film.
In the meantime, at the hospital where she works, Catherine beginsflirting with Dr. Gavin Keller, who doesn't know she's married, as she stopped wearing her wedding ring. She informs him of her mother's medical situation. Around this time, Caleb injures his arm rescuing agirl from a house fire and is brought to Catherine's hospital, where a nurse inadvertently says in front of Dr. Keller that Caleb is Catherine's husband.
As he continues his 40-day challenge, Calebbegins doing more household chores and running more errands for Catherine, and leaves her roses. Caleb even smashes his computer to pieces with a baseball bat in order to remove the temptation ofviewing internet pornography. Nevertheless, Catherine, who is led by some colleagues to think that Caleb did all these things with an ulterior motive in mind, is still intent on divorce. When she later...