And when that perfectly ordinary tower block near Westminster turns out to be not quite so ordinary, all five are forced to make some unexpected - and, for some, impossible - decisions . Even in the darkest of spaces. READERS LOVE THE SEVEN O'CLOCK CLUB'Heartwarming ...

And when that perfectly ordinary tower block near Westminster turns out to be not quite so ordinary, all five are forced to make some unexpected - and, for some, impossible - decisions .