When Michael and Vidya move into their new flat in Coulthard Street to prepare for the arrival of their first baby, a leak dripping through the ceiling sets off a chain of events that leads them to a shocking discovery.

After the shock Len encountered in Melissa’s flat, he is certain there’s more to Melissa’s death than the reluctant residents of Coulthard Street are letting on. Refusing to be scared off, Len finds himself drawn back to his on-going investigation.

Melissa’s intimate relationship with a damaged neighbour is revealed as Len begins to uncover the hidden truths behind the lies. Did the fallout from this liaison play a part in her death?

Len risks blowing his cover as he probes deeper and secrets among the residents begin to unravel. Has he finally solved his last case or is there one more secret to come out? Most importantly, who really murdered Melissa Young?