After being drunk and accidentally barging into a wealthy family's dinner, Su Xiya poured red wine on Xie Huaichen, a business upstart, and was saddled with a sky-high debt of two million. In order to save her seriously ill mother, she was forced to sign a three-month assistant agreement, but was bound by a contract marriage with Xie Huaichen. From making things difficult for each other to secretly developing feelings, when the contract expires, Xie Huaichen presses step by step: "This time is not a deal, I am chasing you." And how will the secrets hidden behind the wealthy family and the crazy obstruction of his ex-girlfriend pull back the sincerity of this transaction that started?