meanwhile, Michael tries to work through her feelings for the tall and handsome new security officer Lieutenant Ash Tyler. After a catastrophic explosion destroys the ship, Harry Mudd sneaks on board Discovery, kills the captain, and searches for a way to sell the spore drive to the Klingons; meanwhile, Michael tries to work through her feelings for the tall and handsome new security officer Lieutenant Ash Tyler. After a catastrophic explosion destroys the ship, Harry Mudd sneaks on board Discovery, kills the captain, and searches for a way to sell the spore drive to the Klingons;