Marshall decides to step in after seeing his boss's approach to settling with a million dollar company and Ted's class trip isn't what he envisioned.
Robin attends court-mandated therapy sessions after assaulting a woman who was hoping to ruin Barney's relationship while Ted becomes overly involved in Lily's pregnancy.
Ted tries to make amends when he runs into an ex-girlfriend with whom he was unfaithful while Barney makes a bet with Marshall and Lily.
Marshall gets a great job offer that he fears may be scuttled by a social media background check and Ted needs a date for the Architects Ball.
As Barney gets ready for his wedding, a flashback to Punchy's wedding has Robin wrestling with whether or not to reveal she still has feelings for him while Marshall and Lily trying to keep their pregnancy secret.
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