Line and Sinker by Billy Talent is a hard-hitting rock song that delves into themes of betrayal, deception, and disillusionment. The lyrics capture the emotions of someone who has been misled and manipulated, leading to a sense of anger and frustration. The song critiques those who prey on the gullible and highlights the impact of broken trust. Key moments in the song include the intensity of the chorus, which underscores the raw emotion and rage felt by the protagonist. This is further emphasized through powerful imagery and metaphors, making the song both relatable and provocative.