When a new piece of information from his parents' past comes to light, Mark knows he has to keep pushing until the truth is finally revealed.

Mark Nicholas returns to the area where he grew up to discover that his grandmother is now living in his bedroom and he hardly knows his teenage sister Jodie. He runs into his first love Alice who is now married with a child. It's not long before Mark becomes reacquainted with his past, including his old friends Lucy, Carly and Jeff.

Mark gets temp work at the council where his mother used to work and uncovers a secret about her personal life, which has devastating repercussions for the family.