Intro. You and his girlfriend Daisy are having a conversation when Daisy suddenly gets a strange text message from an unfamiliar number: 'Hey, I thought you needed to know... your boyfriend's cheating on you. I saw him kissing another woman last night'. Daisy scoffs, because SHE was with You last night. She shows You and they reason that it must be a wrong number, especially since neither of their names were mentioned in the text. They soon forget all about it, moving on with their day.
However, as the weeks go by, Daisy continues to receive messages claiming that You is cheating on her, this time actually using their names and mentioning specific details like Daisy's favorite restaurant. It's clearly not a wrong number after all. However, the accusations are obviously false, because the timeframes for when the cheating is supposedly happening are always during times when You has been with Daisy. She tries blocking the number that's sending the messages, but then she continues to receive the