In Summer In Trigue, Sybil Harrington, a struggling writer and expert at finding dead-end jobs, consoles herself with the knowledge that she and Liz Fuentes, an ambitious and domineering young lawyer, are in a stable and happy relationship. However, after being laid off for the third time, she returns home early to find Liz in a compromising situation with another woman, and her world falls apart. Betrayed and angry, she ruins Liz's romantic getaway and ends up on the charming island of Trigue by herself. Whenever things take a terrible turn, Sybil has to rely on four very different but equally fascinating women to help her solve the problems that she's been afflicted with. Grace, Shiori, Alex, and Mia are all friendly, but Shiori is a little more reserved. Each of these women has something in common, but can they be trusted? Since Liz fled their apartment, why hasn't she gotten in touch with her? You can discover all this and so much more in this visual novel named Summer in Trigue.