Joy must deal with the fallout of Laura's discovery. The rules of the experiment are put under serious strain as Joy bumps into first love Lawrence and Alan's connection to Claire becomes more intense. Meanwhile, mysterious memories from her past continue to plague Joy, jeopardising a relationship with a client. Tom's practice with Michelle awakens surprising new feelings between them.

• Nick Payne

• Anya Chalotra
• Joe Hurst
• Toni Collette