Work and personal pressures leave Meredith on edge; formal interviews for the chief resident position begin; Lucy and Alex's relationship is tested.
NCIS feverishly investigates a global terrorist group that is recruiting teens via the Internet, following a deadly bombing overseas that results in an emotional and surprising loss for the team.
When Eddie's heart is broken by Nicole, he stops eating and listens to "End Of The Road" by Boyz II Men repeatedly; Jessica turns to Honey for parenting advice.
Louis keeps crashing Jessica's girl time with Honey, so she encourages him to make some friends of his own. When his new friend ends up being an attractive woman from the pool hall, Jessica gets jealous.
Sayid finds his way onto the Ajira plane – after being detained by Ilana – and deals with being a captive on the Island in 1977 Dharma where he encounters a young Ben.