Having found signs of life on board the sunken vessel, the race for recovery continues along with gathering of evidence. Survivors start experiencing flashbacks.

Kendra Malley and her team continue to investigate the ferry sinking. The Captain's story comes into question, when a recovered video shows a different turn of events below deck, than was first told by survivors.

There is unexpected betrayal within the ranks, a possibly innocent man is arrested, and then a dead diver surfaces from the wreck.

A diver's mysterious identity proves to be the key to Kendra's discovery that an ally has been sabotaging her investigation from the start.