Grace
and
Leo
are
having
a
dinner
party
to
which
Grace
invites
Will,
Jack
and
Karen.
And
Leo's
just
pumped
into
his
ex,
Diane,
and
invited
her
too.
Grace
assures
Will,
Jack
and
Karen,
that
there
is
no
drama
forthcoming.
None
whatsoever.
Absolutely
not.
Unless
it
turns
out
that
Diane
is
a
secret
from
someone's
past.