Heartbeat

Twins

An ethical debate begins after Alex suggests performing some risky surgery on conjoined twins that have been diagnosed with cancer.

Backwards

Alex sees a young man who is only able to recite sentences backward as a chance to try out some new technology.

100,000 Heartbeats

Alex and Pierce are at odds about whether the hospital should provide an experimental treatment for patients with advanced-stage cancer. In other events, Max wants to change the family dynamic with Alex and Ji Sung connects with Callahan.

The Land of Normal

A patient questions Alex's ability to leave personal grief outside the OR when she performs heart surgery on the anniversary of her sister's death; Millicent dates an artist; Pierce wants to be more of a part of Alex's family.

The Inverse

A case brings back memories for Alex, Jesse and Millicent as they fight to save a heart transplant patient when she sustains devastating injuries in a car crash.