A Piece Of Memory

Ryan Willian, a writer reminiscing about his past. When he accidentally meets the person he once loved. The meeting suddenly reminded him of the memories they had together. When he lives his life as an employee at a place called Welmina, then he spends good days with a woman named Sarah. They often do things that are new to both of them, all things that are fun, until the love finally grows. He even promised to marry her one day.
Once, Sarah talked about her birthday and asked for a surprise as a gift. Of course, Ryan did not want to refuse a request that he also did solely for the sake of love. But the shock had to stop for a moment when Ryan had to return to Bandung when his father was seriously ill. In Bandung, he had to spend the last time with his family, until his father died.
Upon his return from Bandung, he tried to forget his sadness behind, then looked to his days ahead with his new life with Sarah. However, the news he received later was slightly different from what he had previously imagined.
So what news did Ryan find when he returned to Welmina? Did their story have a happy ending? And how will the story of the two of them continue?