Cat faces her true feelings for Vincent.
Evan saves Cat.
Vincent realizes he could not have saved Cat in his condition.
Vincent is recognized in the hospital.
Vincent and J.T. grew up with Alex, and Vincent dated her.
Vincent talks to Alex about what happened to him.
Vincent gets night vision as his DNA mutates.
Alex is being stalked.
Cat helps Alex with her stalker.
Vincent saves Alex and kills her stalker.
Evan goes to J.T. about his paper on cross-species DNA mutilation and offers to partner with what he knows.
Vincent accuses Cat of holding back, and Cat counters by telling Vincent he needs to explore his feelings for Alex.