Meredith and Lexie's father returns to Seattle Grace with stomach pains and a new girlfriend; Alex butts heads with the new OB; Mark bribes Jackson for information on Lexie.
The long road to Sectionals is almost over, but not before a lot of bumps in the road. The mid-season break brings a lot of surprises and awesome performances. Regionals are at stake and things will get crazy before anyone can get there.
Survivors of the Communist witch hunts of the 1950s see their pasts catch up with them. Rush looks into the case of a schoolteacher who was murdered in 1953 and suspects a possible connection with the anti-communist fervour of the times.
Andrea leads supporters on the issue of whether condoms should be distributed at school; David makes special plans with Donna.
New Directions and the Warblers face off at sectionals; Rachel must choose between NYADA and another Broadway show with Jesse St. James.