Ted wonders whether he should start hanging out with a new crowd after going to a high society architectural party. Meanwhile, Lily and Marshall discuss having children, and Barney worries that the gang is drifting apart.
When Alan realizes that Louis thinks he’s cool, he starts breaking Walden’s rules in order to stay that way. Series star Jon Cryer directs.
When old bones are discovered on the outskirts of Charming, Clay is forced to deal with secrets he buried long ago.
Director Vance is notified by the Pentagon that the nuclear submarine Gibbs and Bishop are aboard to conduct a murder investigation has gone radio silent.
The team reopens the 1980 case of a hockey player who was killed at his team's ice rink in Philadelphia the day the U.S. hockey team beat the Soviet team at the Winter Olympics.