Elliott's former patient Aisha Bose is re-admitted with a cardiac infection which puts her Herzig valve replacement in jeopardy. Tara's own condition weighs heavily with her and the fact that she's not told Oliver. Elsewhere, Lilah plays a dangerous game after Ric fails her in her assessment. Meanwhile, Ramona invites Michael to spend Christmas with her after Annaliese makes different holiday plans that don't involve Michael.
—Bridie