Doctor's order: threesome with stepmom and daughter

A young guy is hospitalized and his doctor diagnoses him with a disease that he needs to have a threesome to cure. The patient is shocked by the doctor's words, but he trusts the specialist and decides to fulfill his order. The guy goes to his house to his American stepmom and Australian daughter. The girl is excited about the idea of sex because she has been dreaming about it for a long time. The patient starts by giving his stepmom a blowjob, while his girl was watching. Then the daughter joins in and gives him a blowjob too. Both women are undressing and the guy is having sex with his stepmom while the daughter is watching and touching herself. After that, the patient fucks his daughter in the same position. The women are exchanging their lovers and having a wild threesome. At the end, the patient is satisfied and believes that he has recovered from his disease.