If you dreamed of having a plaster cast on your arm: You may enter irreversible paths, Although you may think the opposite in order not to create tension or to keep the environment pleasant, it may make you feel pressured to say the opposite of your true ideas. To see a plaster cast on your arm in your dream indicates an accident, a troubled life and hard times, and hurt. To see a plaster cast on your arm in a dream means reaching your goals in the near future, enjoying life, living a full life and taking time for yourself.