In Episode 9 of The First Frost Season 1, tensions rise as Wen Yifan confronts lingering doubts about Sang Yan’s intentions. A cryptic message from her past sparks a heated exchange, forcing Sang Yan to reveal a long-buried secret. Meanwhile, Zhong Siqiao’s loyalty is tested, adding strain to their fragile circle. The episode builds to an emotional climax, blending romance and mystery under the frosty weight of unresolved history.