Meaning of "Undercover Heart" by Blackfield

The lyrics of "Undercover Heart" delve into the themes of desire, deceit, and the consequences of one's actions. The narrator paints a picture of someone who is consumed by their own desires, leading them to make choices that ultimately leave them feeling trapped and unhappy. The references to secrets hunting the person and their undercover heart beating for someone else suggest a sense of guilt and longing that plagues them. The mention of a mistress stealing their freedom denotes a loss of control and agency in their life, leading to a feeling of being grounded and unable to break free from their circumstances. The overall message of the song seems to convey a sense of inevitability and regret, as the person is faced with the harsh reality of their choices and struggles to find a way out of the situation they find themselves in.