After a marine is murdered in the school campus the team discovers a possible suspect for his murder, but they are soon leaded back to zero point when they find…

Kate struggles with her feelings in the aftermath of Toby’s heart attack. As William begins to spend more time with Jesse, Randall has to get used to his father’s new…

Ted agrees to let Barney spice up his love life, and ends up on a crazy adventure of flying to Philadelphia, encountering the law and visiting the Liberty Bell.