When Iya, a guarded but quietly hopeful woman, joins a chat app out of boredom, she meets Cholo - a charming stranger with a guitar, soft voice, and heavier secrets than he lets on. What starts as late-night conversations slowly turns into something deeper. Through 45 raw, heartfelt diary entries, Iya traces their connection from simple chats to something dangerously close to love. But when reality sets in and screens can no longer hide what's real, she's left wondering... "Chat lang ba 'to... o totoo na?"