Rising actress Sun has spent years trying to win the heart of Rafah, a powerful luxury car executive and the older sister of her best friend. But when Sun’s onscreen chemistry with a rising male co-star sparks viral shipping rumors, Rafah's buried feelings erupt into jealousy. As scandals, leaked photos, and suspicious sightings begin to swirl, Rafah moves into Sun’s condo to protect and control her. But when Sun starts appearing in places she swears she’s never been, she begins to question everything. The truth is more shocking than any rumor: Sun has a long-lost twin sister. With an ex-lover determined to reclaim Rafah and a leaked clip threatening to destroy Sun’s career, love turns into a battlefield of trust, obsession, and buried secrets.(Source: iQIYI)~~ Adapted from the novel "My Only Sunshine" (ตะวันระฟ้า) by Flower of Memory (ดอกไม้แห่งความทรงจำ).