Heartbeat 1×04 “100,000 Heartbeats” – Alex (Melissa George) and Pierce (Dave Annable) disagree on whether an experimental treatment for those with advanced stage cancer is right for the hospital’s patients. True to form, Alex takes matters into her own hands with a risky move to find volunteers. Meanwhile, Max (Joshua Leonard) looks to drastically change the family dynamic with Alex, and Ji-Sung (Maya Erskine) connects with Callahan (Jamie Kennedy). Don Hany, Shelley Conn, D.L. Hughley and JLouis Mills also star.