Plaintiffs claimed that Capital One promised its credit card holders that they would not be charged interest on new purchases if they paid for those purchases in full by the payment deadline, and that Capital One breached that promise. By inference , it appears that while the Plaintiffs did pay later charges in full on a monthly basis, they had previously maintained an unpaid balance on their accounts. The contract, however, provided that, in general, interest charges begin to accrue from the day a transaction occurs, unless the cardholder has timely paid her account balance in full. The Court of Appeals, like the district court below, found their claims for breach of contract and breach of the covenant of good faith and fair dealing to be implausible.
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