The Last Kiss follows the story of a man who is faced with the reality of his actions after he kisses a teenager at a wedding. As he grapples with the consequences, he reevaluates his relationships, including his marriage and his commitment to his pregnant girlfriend. Through introspection and self-discovery, he learns about love, responsibility, and the fear of commitment.

After his wife leaves him, a man finds solace in the arms of an old friend. As the past resurfaces and tragedy strikes, they must confront their choices and decide if love can conquer all.