The issue jumps around alot so Im going to summarize this by section as it flows better in text format
Xavier Institute
Ahab has made OML a hound and sends him after Beast. He stabs the older version and reveals that Maxime and Mann were plants and have psychic powers which they used to turn characters into hounds. Bobby asks Ahab what he did with the other Bobby but he doesnt know what he's talking about. Storm attacks OML, saving Beast, while dodging an attack from Ahab, which killed Bloodstorm. Ahab tells Young Beast to come with him in order to spare his teammates as one of them will take his place if he doesnt. Before he makes a decision, Kid Cable teleports him out of there. Kitty stands around at a destroyed mansion, fallen teammates and laments over her failure
Searebro
Scott wants to go help the X-men but Jean refuses bc they need to protect him. Kurt is revealed to be a hound and teleports Scott into the ocean to kill him via drowning. The pressure is too much for him to handle so he teleports out of there. Jean uses her TK to bring Scott to safety and the infirmary where Trinary, X-23 and Gabby watch over him
X-wing
Jean admits to scanning X-Force's mind which is why she chose to be with them as she knows they are going after Kid Cable. Shatterstar is revealed to be a hound and goes after Jean. X-Force apprehends him and Jean reveals she cant reach his mind. Shatterstar gets free and Cannonball blasts him outside the plane. Domino and Boom Boom tell Jean what Cable means to them and that X-Force does things differently than the X-men so if she doesnt approve they can drop her off elsewhere to get babysitted
The Pequod (Ahab's base)
Kurt tells Ahab that he killed Scott but Ahab isnt convinced bc he wants the body and is going to Searebro to retrieve it. The french kids tell him that Kid Cable has taken Iceman and Angel but whatever he is planning is too late
Kid Cable's lair
Young Beast, Iceman and Angel are in pods. Mimic is wake and strapped to a machine amputating his wings. Professor has detected the time displaced Jean Grey and as Cable inquires where she is at, the door is blasted revealing Jean and X-Force
Cover #4 revealed!