'Cause Lily had a secret. Barney: Yeah. I know Lily and Marshall. Marshall: What?! This is dowisetrepla. What up! [black background]
[The building in Dowisetrepla]Narrator: Now if you are thinking about buying an apartment, it's always good to check the place out at night.
Plan: A: Marshall; Q: Who learns about Lily's secret? A: a rash; Q: What does Lily get on her face? A: irresponsible decisions; Q: What kind of decisions did Lily and Marshall make? A: the "Dowisetrepla" neighbourhood; Q: What is the name of the neighbourhood where Lily and Marshall buy an apartment? A: Barney; Q: Who uses the apartment to hook up with women? A: his address; Q: What does Barney not want to give away? Summary: Lily and Marshall make a rash of irresponsible decisions when buying an apartment in the "Dowisetrepla" neighbourhood, while Barney uses this opportunity to hook up with women without giving away his address. Marshall learns about Lily's secret.