Cathy is hard-headed, speaks her mind, and cusses like a sailor. She is definitely not a sweet girl but she loves her simple and quiet life. Cathy doesn't care about being nice or polite. She is stubborn, has a sharp tongue, and zero patience for drama. Her only goal is to live her simple life exactly the way she wants.Then, a family road trip ruins everything.Her family goes to the countryside to visit her ninang and ninong. Cathy expects a boring vacation, but she quickly finds out that her ultimate frienemy, their son, is also there.They have a long history of teasing each other, and they just can't seem to get along. To make matters worse, he is now a world-famous pop artist with millions of obsessive fans tracking his every move.The real chaos starts when they meet her ninang’s elderly mother. The old lady is struggling with fading memories. The moment she looks at Cathy and her grandson, her eyes light up with joy. In her mind, she mistakes them for her deceased son and daughter-in-law.With the grandmother’s health at risk, Cathy faces a massive dilemma. To protect the old lady's heart, the foul-mouthed and stubborn Cathy has to do the impossible. She must drop the attitude, stop the cussing, and pretend to be a gentle, loving wife to the famous idol. Can Cathy maintain the lie? It’s already hard enough to act sweet, but doing it while hiding from the media makes it a total nightmare. If his fans or the paparazzi find out that the world's biggest pop star is playing house with a regular and a foul-mouthed girl, it will trigger the biggest celebrity scandal of the year.Her simple life is officially over, and the performance of a lifetime...Has just begun...