Meredith finally tells Derek about her pregnancy and miscarriage; during a surgery, Cristina experiences PTSD; Bailey won't let Alex operate until he has the bullet in his chest removed.
A dark secret resurfaces when Jenna Cavanaugh returns to Rosewood; the girls deal with questions surrounding Alison's death.
Relationships are explored among the girls as they pay tribute to Alison's memory; Aria encounters her father's former mistress.
The girls pay the price for trying to ignore "A"; a new male arrival changes the status quo; Spencer's father asks her to throw a tennis match.
Disturbing secrets threaten to ruin the girls' homecoming dance; an odd date choice leads to a sticky situation.
