Liz and Pete are suspicious of Jenna's overly friendly attitude around the set. Jenna confesses she met a guy who makes her very happy. Liz worries that when this guy breaks her heart, like all the others in the past, Jenna's going to take it out on everybody else.
Jack inherits Don Geiss's pet peacock, Argus and brings it back with him to his 30 Rock office. Liz finds the gift weird, but Jack says Argus represents a lot of history from his friendship with Don. Liz thinks Argus just looks like a giant dinosaur. When the bird hits her with one of his feathers, Jack warns her Argus has marked her as his "wife."
Aside from Cerie's upcoming wedding, Grizz announces he is getting married, too. He worries how he's going to break the news that he wants Dotcom to be the best man at his wedding over Tracy. Liz offers to help by telling Tracy he can be lead singer of the wedding band. He tells both Grizz and Liz he will be best man at this wedding!
Liz is determined to see what is wrong with Jenna's new boyfriend, Paul. She walks in on him in Jenna's dressing room, trying on her earrings. Liz tells Pete they need follow him, CIA-style to see what he's hiding from Jenna.
Liz and Pete follow Paul to a bar and are shocked to discover he's a Jenna Maroney impersonator that goes by the name of "Jinnah Baloney." The next morning, Liz asks Jenna how much she knows about Paul. Jenna says she knows all about Paul's act and never told Liz because of her "judgmental badger face."
Liz discovers the real reason that Tracy wanted to be best man was because Dotcom is secretly in love with Grizz's fiancée named Fiancée. Grizz still chooses Dotcom to be the best man. A desperate Dotcom asks Liz to convince Grizz to make Tracy his best man, instead. Liz reluctantly agrees to talk to Grizz about the change.
Liz runs into Paul dressed as "Jinnah" in a hallway of 30 Rock. Paul tells Liz that he knows Jenna has revealed his secret and he no longer needs to hide. Paul tells Liz he truly wants to be with Jenna and it is not just an act. In fact, he would never tuck his penis again, if Jenna asked him.
Liz finally understands Jenna and Paul's relationship. Jenna can now love herself fully, without it being too weird. Jenna walks in on the two talking about her and lights up. Liz leaves when Jenna and Paul begin to make out.
Jack is beginning to think Don Geiss's soul is inside Argus. Jack begins opening up to Argus and asks the peacock for a sign that he's Don Geiss. Argus signals that he wants a glass of scotch and an ecstatic Jack pours him one. Jack can now tell Don Geiss everything he always wanted to say including he's the father Jack never had.
Liz finds Grizz and tells him to choose who he really thinks should be his best man because more importantly, he's found love and he should treasure it. Grizz appreciates Liz's speech and wants her to be his "Woman of Honor" at the wedding instead of Tracy or Dotcom. Liz is going to be in Cerie's wedding and Dotcom's on the same day.