Handcuffs in a dream speak of a strong bond between people. Perhaps, you are in love, and you experience mutual trust and affection. This interpretation may also relate to business relationships, where both parties trust each other, as well as fellowship.
People are different; thus, their views and opinions are different. Dreaming of treason means that in real life, you do not share the same opinion about a certain situation with other people. You will receive acceptance for your different opinion, and this will only improve the situation you all are in .