这部电视剧主要讲述女主特妮本是一名学术很好的外科医生，非常有前途，但是她的儿子患病，需要移植骨髓。他们生活的地方没有骨髓库，丈夫又是个嗜赌如命的人，无奈女主放弃了她的职业生涯，不顾丈夫的阻止，带着儿子去寻找合适的骨髓。在拉斯维加斯特尼没有资格证，只有签证，没有绿卡，她只能一边干着清洁工的工作，一边等待孩子骨髓的配型，一次偶然的机会特尼亲眼目睹黑帮杀人的现场。她为了保命主动给黑帮打扫起了犯罪现场，黑帮并没有伤害她，把她安全送回家。后来特妮带儿子去看病的时候，发现他们的签证已经到期，因此医院不能给他儿子治疗。这时他看到了黑帮阿曼的手下，并让他带着特尼去见阿曼，从此特尼便开始了，给他们一次次打扫犯罪现场的工作，儿子也接受到了治疗。

This TV series mainly tells that the heroine Teni is a very promising surgeon with good academics, but her son is sick, A bone marrow transplant is required. There is no bone marrow bank where they live, and the husband is a gambler, but the heroine gave up her career and took her son to find a suitable bone marrow despite her husband's stop. In Las Vegas, Tenny has no qualification certificate, only a visa, and no green card. She can only work as a cleaner while waiting for the matching of the child's bone marrow. By chance, Tenny witnessed the scene of a gang murder. In order to save her life, she took the initiative to clean up the crime scene for the gangsters. The gangsters did not harm her and sent her home safely. Later, when Teni took her son to the doctor, she found that their visa had expired, so the hospital could not treat her son. At this time, he saw the men of the gang Aman and asked him to take Teni to see Aman. From then on, Teni started to clean up the crime scene for them again and again, and his son also received treatment