Ep 5. Episode 5

Yvonne and Karen both realize that the incident with Shell and her baby is suspiciously unsettling and begin to investigate Fenner and Colin's  roles in the event.  Meanwhile, Di becomes even more frustrated with her marriage to Neil and soon invites a friend to stay with them.  Buki struggles to get ahold of her son, but the inmates pitch in and come up with a way to help.