Seongseureoun Sagikkun

Kim Seoyeon (Song Sammi), a swindler, is chased by gangsters after a marriage scam and coincidentally hides in a church. There, she encounters a seemingly chaotic yet harmonious pastor's family. However, this place turns out to be a cult church, and the pastor is exploiting not only his followers but also his own children. Blinded by the huge church funds, Seoyeon decides to pull another scam. To do so, she digs into the pastor's family's weaknesses to dismantle them, forming relationships with everyone. However, contrary to Seoyeon's intentions, the siblings find comfort in her, gradually rally around her, and begin to revere her as their savior (Messiah), starting to confront their father. Seoyeon's plan, which started with a lie, leads to an unintended revolution(?)...(Source: Lezhin, translated)