Day light ******s and *****

They made me sign a contract that it's not what their agent told me when they approached me...I was only told lies that I was only told today that they haven't been receiving payments from..when I told them what I was told that my debit order will only be active when I enter their premises ....I've never been in their Gym now they threaten me that I have to Pay 1600 I've signed a 36months contract to cancel it..this are con ,****s they rob us day light ...?????