"www.grindplay.com" is a fraudulent content streaming website that claims online users can stream their favorite movies and TV shows for free. Grind Play is similar to the fraudulent websites: www.geeker.com, lilplay.com, and tzarmedia.com. Therefore, online users who have used their credit cards on the fraudulent website (Grind Play) run the risk of their cards being fraudulently charged for undetermined amounts, even when they have canceled their subscriptions.
The Fraudulent Website - www.grindplay.com

They (Grind Play) claim they will not to charge your credit card but will do so anyway, even after validating your account. Also, they will periodical charge your credit card for an undetermined amount of money. And, the website doesn't have the movies or TV shows it has advertised.
Online user who have already subscribed to www.grindplay.com, are asked not to trust them to cancel their membership or refund their money. They should instead, contact their credit card company or bank for help to prevent the fraudulent website from fraudulently charging their credit cards. Or, they should ask their banks to cancel the fraudulent transactions and refund their money if their credit cards have already been charged.