Players take on the role of a hapless barista named Alex, who accidentally picks up a stranger's phone during a busy shift. The game unfolds in a bustling coffee shop where every character—customers, employees, and even the mysterious owner of the phone—holds clues to solving the hilarious yet dramatic mystery of ‘Whose Phone Is This?’. Players must navigate through a series of quirky conversations, decipher cryptic messages, and piece together the backstory of the phone's owner. Choices affect not only the mystery's outcome but also Alex's relationships with the colorful cast of characters, offering multiple endings and driving the narrative forward with humor and unexpected twists.