Nolan and Celina get called to a disturbance call, and it's the Daddy Cop band that Nolan gets annoyed by. They were especially requested, and it turns out to be a flash mob situation.

A choir comes out to join the band and a van with a musician comes out as well.

Grey reviews the footage with Celina.

Henry, Nolan's son calls Bailey to tell her that his flight got cancled and he won't be there in time for the wedding. She tells him to catch a bullet train.

Chastity and Randy arrive and Randy tells them tha tPete won't be coming because of his parking tickets, and he agreed to come in Pete's place and is temporairly making out with Chastity in the meantime.

Luna comes to check on Thorsen who is stuck on desk duty taking photos. He still appears to be a bit rattled after what happened, which Luna notices.

Things are still a bit cold between Chen and Bradford when she tries to talk about what happened, and he doesn't think they have anything else to discuss.

Bailey and Nolan meet up with their wedding planner who is overwhelmed with the switch of venue. But Wesley calls NOlan because he has a desposition regarding Oscar.

Celina and Harper get called to a domestic situation where a woman accuses her neighbor of poisoining her dog when really the dog ate a plant that may have had narcotics in it.

Monica shows up to represent Oscar which Wesley and Nolan notice.

Harper notices Celina's attempt to comfort Thorsen and inquires if Thorsen is speaking with the shrink.

Randy pawned Bailey's wedding ring and tells Chen about it.

Angela picks up on Cheford having a disagreement and is intrigued by it.

Chenford go to confront "The Hammer" who Randy pawned the wedding ring off to.

Nolan has to leave his phone with Wesley because of some games Monica is playing with Oscar's case.

Nolan and Bailey go to talk with the DJ but he keeps admitting to all of his crimes in front of Nolan including felony dread dealing, so Nolan has to arrest him.

Chenford drop by the Hammer's apartment to talk to him about the ring

the Hammer wants to fight before he maybe gives the ring back. Bradford takes one for the teeam.

Tim and the Hammer get into a knockdown dragout full blown brawl. And somehow Bradford wins before getting the ring and passing out after presenting it to Lucy as if he was proposing. Something they both notice but don't comment on.

Celina interrogates the guy who was dealing the narcotics after putting them in the wrong planters. She applies the pressure, but he is shook yet leaves anyway.

The florist falls through and Bailey notices that her ring is missing. But Chastity got it back to her just in time.

The cake gets delivered to the house insteead of the location the following day, and it's coconut cream which Nolan is allergic to, so now they have to make their own cake.

Nolan finds the flowers and invites the guys over for a "bacherlor party" which is just the guys helping him arrange the flowers.

Meanwhile the girls are baking. Harper gives Celina advice on not being Thorsen's only support system and them bonding through their shared trauma.

Bradford calls Lucy to the station to ask him questions on a lie detector test. He admits that he loves her when she asks, but he also says he's fine with her being an undercover detective, and the lie detector says he's lying. So they know they do have to talk afterall.

Oscar is suing Nolan.

Luna has been lying about her book club. She went back to school for her social work degree and didn't know if she could hack it, so didn' twant to tell Grey at first.

But she's doing well and wants to continue.

The priest is stuck in traffic. Randy volunteers but then Grey takes over saying he can officiate.

Thorsen takes a minute with Celina to confide in her more and ends up kissing her which she rejects.

She takes a moment away and Seth, the guy she worked for the narcotics stuff calls her. She changes into her uniform and heads out while Thorsen drinks.

Cheford slow dance for the first time since the wedding started, sharing a moment together and he admits he's more conflicted than he thought.

Chenford notice that Thorsen is drunk and also notice that Celina is gone.

She goes to pick up Seth but when she gets there, guys are there to take Seth and they snatch her as she's calling Harper to say she's in trouble.

Everyone shows up at the scene to see Celina's missing car including Nolan.

They find blood and follow the path, seeing a bloody handprint.

They see where she  is being held and split up making tactical decisiosn to get her, including Nolan posing as one of the bad guys and pushing another one out of the window.

They save Celina.

Chenford go back to the job and Tim arranges to take a lie detector test to prove that he's telling the truth about the detective thing. They end up exchanging I Love Yous. But they realize that he does have issues with her being a detective and agree to work through it.

Nolan returns home and Bailey is sleep. They set the alarm for the honeymoon and take a nap, but it doesn't set.