 As Gwen wonders why Jack is telling her all of this, he explains that he has placed an amnesia pill in her drink, and that she will have forgotten the information by morning.Gwen races home and tries to type out a message to herself before the pill's effects are complete, but falls asleep; Ianto remotely turns off her computer, causing the message to be lost.The next day at work, Gwen is shown a drawing of the knife believed to have been used on the victim two days prior, which triggers a series of memories.