Two person that known as enemy but there's something that they actually hide from the others

What if yung pinakahate mong EX ay makasama mo sa isang Isla? Yohann Montevilla[yjw] and Dashielle Silvestre[ksn] hate each other because of their past relationship[ex-lovers] Dash planned to have a trip to Paris,France to breath peace after his broke up with yohann,while on the other side,Yohann booked his flight too in same country to attend business trip without knowing that dash will be there too. Then a plane crash happened and luckily they both survived,but woke up in unfamiliar island where both of them are trapped. What will be Dash's reaction if he sees that his most hated ex is with him? Will they get along to survive?