Picking up where her last chapter left off, in the early morning of August 18, Rachel has a breakthrough in recovering some lost memories. She remembers Tom lying about what she did at a party thrown by one of Tom’s colleagues, remembers Tom swinging the golf club, and remembers Tom hitting her in the underpass. She also remembers Megan—not Anna—getting in the car with Tom. Rachel tries to call Tom’s house, but gets no answer. She tries to call Riley, but hangs up, knowing Riley won’t believe her. Then, Rachel goes to the station and waits for the first Sunday train.

Also picking up in the early morning of August 18th, Anna throws the phone over the fence. Tom comes out into the yard, saying the landline rang (Rachel calling), and notices Anna acting strangely. He kisses her and demands sex, saying he’s not taking no for an answer.

Continuing the narrative on August 18th, Rachel rings Tom and Anna’s doorbell. No one answers, so Rachel goes around the side of the house to the back patio. Anna is there with the baby, and says Tom has gone out with his army friends. Rachel says they need to leave, and Anna laughs.