Sarah later reveals to TK the truth about her illness and TK goes into overdrive , changing her meal plans and exercise routines .
The illness starts to seriously affect Sarah 's fast paced job as a consultant in the Emergency Department .
Sarah later reveals to TK the truth about Sarah 's illness and TK goes into overdrive , changing her meal plans and exercise routines .
The illness starts to seriously affect Sarah 's fast paced job as a consultant in the Emergency Department .