Couples meet Dr. Ish and face new challenges; one couple may call it quits on day one.
Couples reveal past traumas; Justine makes a tearful revelation; Marcelino opens up.
Michael breaks down; Joey makes a shocking confession; Brittany and Marcelino have a breakthrough.
Joey's confession stuns Kim; Brittany reveals true feelings about Marcelino; drug test results.
Brittany reaches a breaking point; Julius is put on the spot; Justine and Michael clash.