The Rialto Police officers chase down a motorcyclist after observing him weaving in and out of traffic, and having a missing license plate. Next, a Pierce County Sheriff's Deputy stops a vehicle for a broken light on the license plate, only to discover drugs and broken glass inside the car. Lastly, the Sacramento Police officer's investigate a possible domestic violence case which seems to have started a day earlier.

Emerson's old flame offers a bit of quid pro quo in return for proving her innocence in the murder of the owner of the Papen County Dam, who Emerson despises. Meanwhile, Olive takes a liking to Randy Mann, the taxidermist and former client of My Best Friend, Inc.

As everyone prepares to leave the island, a wedding party guest disappears, followed by Abby receiving a phone call saying no one can leave.

Invention Test 5

Ed and Al head to Dublith in order to see their former teacher, and Winry decides to tag along so she can visit Rush Valley on the way. Meanwhile, Lt. Colonel Hughes discovers some sensitive information and finds himself facing off against the Homunculus.

The candidates face their last challenge before one of them is chosen by Sir Alan as the winner. Former eliminated candidates return to help the finalists when they have to create and brand a new box of chocolates.