Barney concocts a plan when his father (John Lithgow) arrives at the hotel; Ted thinks he is being framed when a wedding-related duty gets messed up.
After a mass murder at an Internet security company, evidence indicates that the person responsible is not a typical serial killer; Prentiss is required to complete recertification training.
Alan takes Charlie's suggestion of a jog on the beach to cure his insomnia; Jake pleads with Charlie not to date the mother of a girl he likes.
A governor takes the law into his own hands when his wife is raped; when James decides to return to his job as a journalist covering the White House, both Cyrus and the President are surprised.
Jack is suspicious when Conrad and Victoria start a charity in Amanda Clarke's name; once again, Emily's past catches up with her.