Free Fall (2014) online

When the sudden and shocking death of a coworker sends everyone reeling at Gault Capital, JANE, uncovers a very dangerous secret. Her boss, charismatic billionaire Thaddeus Gault, is suspected of massive financial fraud. An assassin, FRANK, is dispatched to silence her forever. Jane's flight from the office is forestalled when her pursuer shuts down her elevator. Now, trapped and alone, Jane must find a way to escape her steel cage before the killer reaches her. This brooding and relentless thriller plunges our heroine, Jane, into a free fall of betrayal and terror. To survive Jane must find the inner strength and courage to defeat the powers that hold her and her dreams captive by fear.