Barney and Ted each deal with girl trouble. Barney tries to play it cool and pretends he is okay with his girlfriend Quinn's occupation as a stripper. However, he finds he is extremely jealous and tries to get her to switch careers. Ted turns to online dating to get over his feelings for Robin, but when all the women he meets remind him of Robin, he realizes his conscience is telling him to fix their damaged friendship. Meanwhile, Marshall starts to drive Lily nuts with all his baby over-preparation, so Lily sends him away to a guys' weekend in Atlantic City only for Lily to go into labor while Marshall is drunk and has turned his cell phone off.