Walter and Horatio see that the custodian was shoved into a a glass before he plunged to his death. They meet with Max DeSalvo the owner. Walter sees that DeSalvo has ammonia stains on his pants. Horatio wonders if the stains came from the cleaning supplies. DeSalvo explains he bumped into the cleaning cart before the event. After Walter sees that there is a palm print on the railing, Horatio orders Walter to obtain DeSalvo's palm print.

At the lab, Tom tells Jesse that Lofton wore a brace and could barely walk. Tom says he found that Lofton was bruised because of a brawl before his death. Mrs. Lofton tells Calleigh that she is there to get the death certificate to file for a life insurance claim. Calleigh informs her that the payment will take a while. Calleigh volunteers to look over her policy to see if she can expedite the process. Ryan tells Jesse that he knows that he is a donor. Jesse is surprised to learn that Mrs. Lofton was looking to cash in her life insurance policy. Jesse sees that Calleigh has Mrs. Lofton's envelope and decides to test it for a palm print. Ryan examines it and figures Mrs. Lofton was at the walkway.

The team brings in Mrs. Lofton to the station. She says she was helping her husband clean before the party. She says she left before his boss could find out. Jesse tells Mrs. Lofton that he suspects she is the only person who would benefit from her husband's death. Jesse calls the insurance company while posing as Mr. Lofton. Calleigh tells Jesse that they can prove whether or not Mrs. Lofton knew about the policy. Jesse is informed that Mr. Lofton's company, Renovation Warehouse is the sole beneficiary of the policy

Horatio brings in DeSalvo and asks him to see Lofton's employee files. Back at the aquarium, Jesse and Ryan figure they should look in the water tank for evidence. They find a part of a sequins dress hidden in the coral. Jesse and Boa Vista line up the party attendees and check their dresses. Jesse meets with the woman, Anna, from the party who accuses him of following her from Los Angeles.

At the lab, Boa Vista and Jesse go through the dresses to find a match. Boa Vista says that a woman named Carol refused to come in.