Decieved into a contract thats destroying my life

I was wrongly informed by Thami a sales consultant of body lab,that they have a promotion of 1 month free and the next month you pay.I was told my contract would only b activated if and when i go to the gym to get my fingerprints done and i start gym.Ive never been to gym and now im been blacklisted for not maken payment.Im a newly graduate who cannot find employment because of this.Please help me settle this matter.My life is ruined because of this.Im unable to pay the cancelation fee as i am unemployed.Please help me.Fraustrated.