Would you hurt your best friend in pursuit of your own happiness? This is the moral dilemma faced by Jane Thornton after she is called upon to help save her best friend's marriage. When Jane, a widow, visits her best friend, Mandy, and her husband, Will, she is thrown into the middle of a marital crisis that culminates with Mandy pushing for a divorce. Jane tries to be as supportive as possible of her dear friend, but the unexpected happens: Jane and Will find themselves falling in love. Should she seize this opportunity for romantic happiness or be an unequivocally loyal friend? "Her Best Friend's Husband" is a moving drama that explores the nature of friendship and true love.