Trading plan is basically your strategy. In every plan, back plans for unexpected incidents should also be considered such as contingency plan. Taking note of the market distinct characteristics such as unpredictability and volatility. No fixed strategy for daily trading, it is always "it depends on the situation".
This is attribute of a good planner that you must adjust ins and outs as well. He doesnt only consider happy scenarios, rather the donts is optimized and well planned beforehand.