"A Devilish Couple's Vow" is a Chinese short drama that delves into themes of love, betrayal, and redemption. The narrative centers on Gu Mingyu, the new CEO of Gu's Group, who faces a scandal on the day of his inheritance ceremony. Accused of forcing a poor college student into pregnancy under the guise of sponsorship, Gu Mingyu's character comes into question, leading his father to consider disowning him. As the story unfolds, viewers are taken through a journey of uncovering truths and exploring the complexities of human relationships.