Pay back my money

Hello Peter please help me am writing this message with a bleeding heart because I bought shoes at style clothing on Friday mall of tembisa than I realized when I got home that the shoes was not same size, than I took them to kalfontein corner their other branches so when get there they told they can't change them so I tried to take the same shoes with same size so they called security for me saying am *****ing from the shop they security arrested me with the chain and took to the office and say I should pay R2000 because am *****ing, I've ask them to call the police as they claim am *****ing they refuse the shoes cost R150 but i paid R2000 for them to release me on top of that the other lady by the name of mahlodi beat me on my face, I've asked them to give me the slip for the money they took from me they've refused I said to them let me swip the money they said they want cash indeed I've given them the money because I was so touched for 3 hours Please help me get my money back My contact *** The email I put on the review is for the security company that took my money together with the style clothing shop