In a city where love seems to have faded away, a firefighter named Caleb is trapped in a crisis-ridden marriage with his wife, Catherine. Despite his efforts to keep their relationship afloat, routine and conflicts have created an insurmountable distance between them. While Caleb faces the flames at work, he feels powerless at home amid the growing tension with Catherine, who has decided to take the next step and file for divorce.
Desperate to save his marriage, Caleb stumbles upon an old journal belonging to his father, which contains a 40-day plan to transform his relationship. Although initially skeptical, he decides to take on the challenge in hopes of winning back his wife's heart. Throughout this journey, Caleb is forced to reflect on his own flaws and insecurities, leading him to discover the importance of unconditional love, faith, and humility.
As Caleb battles his own internal struggles, he embarks on a path of personal change. His efforts aim to revive their relationship, but he faces the harsh reality that love requires work and sacrifice. Along the way, he will have the support of caring friends, but also challenges that will test his determination. Will Caleb be able to reignite the spark of love in his home before it's too late?