He says his sister's cellphone didn't start and she was expecting an important email with the location address to go to on a job interview. He offered his computer for her to check her emails but with some terms and conditions of use. She really wanted that job because she did exactly what he asked her, While she was checking her emails on his computer he was getting his part of the deal. And it seems she got very good news, she even gave him a blowjob at the end, and that wasn't on the terms.