The document discusses approaches for managing change when there is no formal change plan. It notes trends toward more agile practices, remote teams, and an increased need for collaboration between project and change managers. It then outlines several approaches that can work with ambiguity, including situational assessment, establishing team norms and priorities, and emphasizing relationships. Behaviors for success include engagement, acknowledging emotions, and facilitating alternatives. The key takeaway is that managing change without a plan requires behaviors like flexibility and collaboration to work through ambiguity evolutionarily rather than following a predefined plan.