“Summer Holiday” follows the story of a young woman from Hong Kong, portrayed by Sammi Cheng, who faces the double blow of losing her job and discovering her boyfriend’s infidelity. Seeking a fresh start, she travels to a Malaysian island with the intention of selling her inherited half of a beach property. However, she soon learns that her cousin has already sold the other half to his friend, played by Richie Ren, to settle debts. As she attempts to persuade him to sell his share, an unexpected romance begins to blossom between them.