To see fishhooks in your dream refer to an idea or concept that you need to grasp. The dream may also indicate that you are getting hooked on something or being hooked in. You may be deceived into doing or believing something.
To dream that you have fishhooks embedded into your scalp refers to your past relationships. You have yet to get over the relationship or you have yet to learn from the relationship. Alternatively, the dream implies that someone in your past still has a strong influence on your mind and the decisions you are making.