New Heart
Episode 01Aspiring surgeon He-seok enters cardiothoracic surgery and crosses paths with Kang-guk.
Episode 02Rejected by Kang-guk, He-seok refuses to give up while Eun-sung offers support.
Episode 03He-seok fights for one last chance to join Kang-guk's cardiothoracic team.
Episode 04Eun-sung earns attention with a sharp diagnosis that surprises even He-seok.
Episode 05He-seok struggles with old feelings while Eun-sung quietly stays by her side.
Episode 06A celebrity patient's collapse throws the hospital into chaos as rivalries grow.
Episode 07Kang-guk's bold decision in the OR sparks conflict across the entire hospital.
Episode 08As Eun-sung and He-seok grow closer, life inside the hospital gets tougher.
Episode 09Kang-guk defies orders to save a patient, igniting a fierce confrontation.
Episode 10An unexpected moment leaves Eun-sung and He-seok facing new complications.
Episode 11A difficult surgery tests Kang-guk and Tae-joon while He-seok receives hopeful news.
Episode 12Kang-guk confronts the limits of medicine after a heartbreaking loss in the OR.
Episode 13He-seok opens her heart while Kang-guk risks everything for a desperate patient.
Episode 14Kang-guk's recruitment plan sparks resistance and a battle for influence.
Episode 15A high-profile patient pushes Kang-guk to question his life as a surgeon.
Episode 16Kang-guk entrusts Tae-jin with a risky operation that others avoid.
Episode 17As careers advance, He-seok learns the painful truth about Eun-sung's past.
Episode 18Eun-sung faces heartbreak as a patient's final wish moves everyone to tears.
Episode 19He-seok saves a life with a split-second choice but faces serious consequences.
Episode 20Burdened by guilt, Eun-sung struggles forward with He-seok by his side.
Episode 21Kang-guk makes a sacrifice for his team, leaving the hospital stunned.
Episode 22A donor heart is found as the residents race to bring Kang-guk back.
Episode 23Emotional farewells and a critical transplant force difficult choices on everyone.
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