Gary and Amy grapple with their heartbreak, Chloe struggles to reveal the truth, and Mark faces a tough decision. Amy visits New York, Sheila begs her to reconsider, and Chloe must confront her Huntingtons diagnosis. Mark must decide whether to use Caitlins death to appeal his termination.

Leo is in danger when Delaneys father and uncle unexpectedly appear. Susan tries to explain to Bea why she was compelled to meet with Shaun again. Mark lays his heart on the line with Chloe, asking her to delay her travels and attend the wedding. Chaos ensues when a gunshot rings out, leaving everyone wondering who was shot.