讲述了小白蛇白夭夭（杨紫饰）与药师谷谷主许宣（任嘉伦饰）跨越千年的爱恨纠葛。开机仪式过后，片方也顺势曝光了先导海报。海报以断桥残雪这一经典桥段为设计理念，近处漫天白雪和飘扬的桃花交相辉映，而远处的断桥上，白夭夭和许宣两两…

　　Near by Christmas, in an old and charming town in Transylvania, Sebastian and Aprilia start a beautiful love story. However, nothing is as simple as it would seem…